Large Cardboard Boxes (18"+)

IN STOCK Space-efficient 4x4x46 tall corrugated boxes made from ECT-32 kraft single wall material. End-load design enables fast, efficient packing and sealing operations. Ships flat in bundles of 25–perfect for warehouses requiring vertical storage solutions without the weight penalty of mailing tubes.
Boxes - Corrugated

4x4x46 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4446

4 x 4 x 46 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$81.21 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 20x20x30" dimensions deliver proven stacking performance and freight efficiency for warehouse and fulfillment operations. Each bundle contains 10 boxes manufactured from durable single-wall corrugated material. Recyclable kraft construction reduces waste while maintaining cost-effective strength standards.
Boxes - Corrugated

20x20x30 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 202030

20 x 20 x 30 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$58.19 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes built for demanding warehouse and fulfillment operations. 25x25x25 cube dimensions maximize pallet density and reduce freight costs. Ships flat to save 80% storage space–order in bundles of 5.
Boxes - Corrugated

25x25x25 ECT-48 Kraft Heavy Duty Cube Double Wall Corrugated Shipping Box 5-Pack

PN: HD252525DW

25 x 25 x 25 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$92.76 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 24x24x26" dimensions deliver proven stacking strength for warehouse and fulfillment operations. Each bundle contains 10 boxes, optimizing freight efficiency and reducing per-unit costs. Fully recyclable material meets sustainability requirements.
Boxes - Corrugated

24x24x26 ECT-32 Kraft Corrugated Boxes 10-Pack

PN: 242426

24 x 24 x 26 in ECT-32 Corrugated 10 PER BUNDLE
$102.78 / BUNDLE
IN STOCK Ship tall items efficiently with these 15x15x36 corrugated boxes made from sturdy ECT-32 kraft material. End-loading design allows fast insertion and sealing. Bundle of 15 boxes ships flat to maximize freight efficiency and reduce storage footprint.
Boxes - Corrugated

15x15x36 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 151536

15 x 15 x 36 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$87.39 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes in 26x26x20" dimensions deliver industrial-grade strength for demanding warehouse and fulfillment operations. Each bundle of 10 boxes maximizes freight efficiency and stacking performance. Manufactured from 100% recyclable kraft corrugated material–reduce waste while maintaining durability.
Boxes - Corrugated

26x26x20 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 262620

26 x 26 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$73.66 / BUNDLE
IN STOCK Industrial-grade 26x26x14 corrugated boxes rated ECT-32 for reliable stacking and freight performance. This 10-pack bundle of kraft shipping cartons ships and stores flat, maximizing your warehouse space while reducing handling costs. Built tough for repeated use in fulfillment operations.
Boxes - Corrugated

26x26x14 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 262614

26 x 26 x 14 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$92.29 / BUNDLE
IN STOCK Ship long, narrow items with confidence using these 48x4x4 ECT-32 kraft corrugated boxes. Wide openings along the 48" length enable fast, efficient packing of wine bottles, umbrellas, carpet rolls, and similar products. Sold as a 25-box bundle and shipped flat to maximize freight efficiency.
Boxes - Corrugated

48x4x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4844

48 x 4 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$78.13 / BUNDLE
IN STOCK Ship long, narrow items efficiently with 40x12x12 ECT-32 kraft corrugated boxes featuring wide long-side openings for fast packing. Each bundle includes 15 boxes–ideal for wine bottles, umbrellas, carpet rolls, and specialty items. Reduce wasted space and cut per-unit shipping costs.
Boxes - Corrugated

40x12x12 ECT-32 Kraft Long Corrugated Shipping Boxes 15-Pack

PN: 401212

40 x 12 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$58.16 / BUNDLE
IN STOCK Professional-grade 36x16x16 corrugated shipping boxes featuring ECT-48 double wall kraft construction for maximum stacking strength and load protection. Ideal for heavy items, mid-size freight, and high-volume warehouses. Ships flat in bundles of 10 to minimize storage footprint and reduce inbound freight costs.
Boxes - Corrugated

36x16x16 ECT-48 Kraft Double Wall Corrugated Boxes 10-Pack

PN: HD361616DW

36 x 16 x 16 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$131.27 / BUNDLE
IN STOCK Heavy-duty 36x16x16 corrugated shipping boxes rated ECT-32 for reliable stacking and protection of medium-weight industrial shipments. Sold in convenient bundles of 15 kraft cartons, these brown corrugated boxes maximize freight efficiency and reduce per-unit packaging costs. Made from recyclable kraft material–built for warehouse and fulfillment operations.
Boxes - Corrugated

36x16x16 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 361616

36 x 16 x 16 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$74.02 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 36x16x5" deliver optimal performance for shallow products including apparel, books, frames, and artwork. Each bundle of 15 boxes arrives flat, maximizing your warehouse storage footprint while minimizing freight costs on incoming inventory.
Boxes - Corrugated

36x16x5 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 36165

36 x 16 x 5 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$80.62 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 28x24x6" dimensions–engineered for shallow product shipping with maximum freight efficiency. Ships flat in bundles of 10 to minimize storage footprint and reduce inbound logistics costs. Perfect for apparel, books, artwork, and lightweight items.
Boxes - Corrugated

28x24x6 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 28246

28 x 24 x 6 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$45.25 / BUNDLE
IN STOCK Heavy-duty 26x26x12 corrugated boxes built from ECT-32 kraft material deliver reliable protection and maximum stacking strength for high-volume shipping operations. Sold in bundles of 10, these kraft cartons are fully recyclable and engineered for freight efficiency. Perfect for warehouse managers seeking cost-effective, dependable cardboard shipping containers.
Boxes - Corrugated

26x26x12 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 262612

26 x 26 x 12 in ECT-32 Corrugated 10 PER BUNDLE
$52.48 / BUNDLE
IN STOCK Industrial-grade 26x26x10 corrugated shipping boxes built from ECT-32 kraft material for maximum stacking performance and freight reliability. These heavy-duty cardboard boxes deliver superior crush resistance and are sold as a convenient bundle of 10. Perfect for warehouse managers and fulfillment directors demanding consistent quality at scale.
Boxes - Corrugated

26x26x10 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 262610

26 x 26 x 10 in ECT-32 Corrugated 10 PER BUNDLE
$49.76 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 26x26x8" dimensions engineered for shallow product shipping and maximum storage efficiency. These corrugated cartons ship flat in bundles of 10, reducing your warehouse footprint and freight costs while maintaining superior stacking performance for apparel, books, frames, and artwork.
Boxes - Corrugated

26x26x8 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 26268

26 x 26 x 8 in ECT-32 Corrugated 10 PER BUNDLE
$75.23 / BUNDLE
IN STOCK Ship shallow products efficiently with these 26x26x6 ECT-32 kraft corrugated boxes. Engineered for apparel, books, frames, and artwork with optimal stacking strength. Sold flat in bundles of 10 to maximize warehouse space and reduce freight volume.
Boxes - Corrugated

26x26x6 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 26266

26 x 26 x 6 in ECT-32 Corrugated 10 PER BUNDLE
$48.99 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner carton designed for tall and irregularly shaped items up to 48 inches. Built from ECT-32 kraft corrugated with reinforced FOL bottom for maximum stacking strength. Pair with T4448OUTER to complete your shipping solution–25 inner boxes per bundle.
Boxes - Corrugated

4x4x48 ECT-32 Kraft Telescoping Inner Box 25-Pack

PN: T4448INNER

4 x 4 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.14 / BUNDLE
IN STOCK Industrial-grade 40x12x12 double wall corrugated boxes with ECT-48 rating deliver superior stacking strength and freight efficiency for high-volume fulfillment operations. Kraft construction ships flat to maximize warehouse storage and reduce logistics costs. Bundle of 10 ready to deploy.
Boxes - Corrugated

40x12x12 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD401212DW

40 x 12 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$110.47 / BUNDLE
IN STOCK Professional-grade 28x24x20" corrugated shipping boxes in ECT-32 single-wall kraft construction. Bundle of 10 boxes ships flat to maximize storage efficiency and reduce inbound freight costs. Engineered for reliable stacking performance in high-volume fulfillment operations.
Boxes - Corrugated

28x24x20 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 282420

28 x 24 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$115.53 / BUNDLE
IN STOCK Industrial-grade 26x26x20 double wall corrugated boxes deliver ECT-48 rated strength for demanding warehouses and fulfillment centers. Ships and stores flat to maximize warehouse efficiency–bundle of 10 boxes ready to deploy. Built for high-volume shippers who need reliable stacking performance and freight cost savings.
Boxes - Corrugated

26x26x20 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD262620DW

26 x 26 x 20 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$229.42 / BUNDLE
IN STOCK Heavy-duty 26x26x16 corrugated shipping cartons built with ECT-32 kraft material for reliable stacking and freight efficiency. Each bundle includes 10 boxes–perfect for mid-size shipments in warehouse, fulfillment, and distribution operations. Recyclable kraft construction reduces environmental impact while maintaining maximum load capacity.
Boxes - Corrugated

26x26x16 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 262616

26 x 26 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$80.69 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 26"x26"x4" deliver optimal protection for shallow products while maximizing warehouse efficiency. This bundle of 15 flat corrugated shipping boxes ships compact, reducing your storage footprint and freight costs. Ideal for apparel, books, frames, and artwork.
Boxes - Corrugated

26x26x4 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 26264

26 x 26 x 4 in ECT-32 Corrugated 15 PER BUNDLE
$76.36 / BUNDLE
IN STOCK Industrial-grade 24x24x28 corrugated shipping boxes built from ECT-32 kraft material for reliable stacking and freight protection. Each bundle contains 10 boxes, optimizing your warehouse inventory and reducing per-unit costs. Fully recyclable kraft construction meets modern sustainability standards while delivering the strength your operation demands.
Boxes - Corrugated

24x24x28 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 242428

24 x 24 x 28 in ECT-32 Corrugated 10 PER BUNDLE
$105.83 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes in 22x22x30 dimensions deliver reliable strength for warehouse, fulfillment, and shipping operations. Kraft construction stacks efficiently and maximizes pallet density. Sold as bundles of 10 for volume savings and freight efficiency.
Boxes - Corrugated

22x22x30 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 222230

22 x 22 x 30 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$90.48 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for shipping tall items like trophies, shelving, and fishing rods. 16x16x36" dimensions provide reliable protection with strong single-wall construction. Sold as a bundle of 10, shipped flat for maximum freight efficiency and storage savings.
Boxes - Corrugated

16x16x36 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 161636

16 x 16 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$50.67 / BUNDLE
IN STOCK ECT-32 single-wall corrugated lamp boxes sized 12" × 12" × 46" deliver adjustable, custom-fit protection for lamps, mirrors, artwork, and other fragile items. Pre-printed with fragile warnings, "This Side Up" arrows, and write-on destination panels. Sold flat in bundles of 15 for maximum freight efficiency.
Boxes - Corrugated

12x12x46 ECT-32 Kraft Lamp Boxes 15-Pack

PN: INNERLAMP

12 x 12 x 46 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$64.94 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 12" x 12" x 40" deliver exceptional height for tall products and fragile items requiring premium protection. Each bundle includes 15 boxes with end-load design for fast, efficient packing and sealing. Shipped flat to maximize freight efficiency and minimize storage footprint.
Boxes - Corrugated

12x12x40 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 121240

12 x 12 x 40 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$55.61 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items. Made from ECT-32 kraft corrugated with full overlap bottoms for maximum stacking strength. Sold as bundle of 15–pair with T12448OUTER to complete your shipping solution.
Boxes - Corrugated

12x4x48 ECT-32 Kraft Telescoping Inner Boxes 15-Pack

PN: T12448INNER

12 x 4 x 48 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$94.56 / BUNDLE
IN STOCK Heavy-duty 4x4x48 corrugated boxes manufactured from ECT-32 kraft material deliver reliable protection for tall, narrow items. End-load design enables fast insertion and sealing, reducing packing labor. Sold in convenient 25-box bundles to maximize volume savings for warehouse managers and fulfillment operations.
Boxes - Corrugated

4x4x48 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4448

4 x 4 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$55.41 / BUNDLE
IN STOCK ECT-44 single-wall kraft corrugated boxes in 36x5x42 dimensions–the industry standard for high-volume fulfillment operations. Ships and stores flat to maximize warehouse efficiency. Bundle of 5 reduces per-unit costs and freight overhead.
Boxes - Corrugated

36x5x42 ECT-44 Kraft Side Loading Boxes 5-Pack

PN: 36542FOL

36 x 5 x 42 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$44.39 / BUNDLE
IN STOCK Heavy-duty 30x6x40 side loading boxes manufactured from ECT-44 kraft corrugated with full overlap flaps for maximum edge protection. End-opening design streamlines product insertion and reduces labor time. Ships flat in bundles of 10 to minimize storage footprint and freight costs.
Boxes - Corrugated

30x6x40 ECT-44 Kraft Side Loading Boxes 10-Pack

PN: HD30640FOL

30 x 6 x 40 in ECT-44 Corrugated 10 PER BUNDLE
$129.01 / BUNDLE
IN STOCK Industrial-grade 26 x 26 x 12" double wall corrugated shipping boxes rated ECT-48 for maximum protection and stacking performance. Manufactured from heavy-duty kraft corrugated material to safeguard high-value shipments across supply chains. Sold in bundles of 10 and shipped flat to maximize warehouse space and reduce freight costs.
Boxes - Corrugated

26x26x12 ECT-48 Kraft Double Wall Corrugated Boxes 10-Pack

PN: HD262612DW

26 x 26 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$147.18 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer cartons designed for tall and irregularly shaped items. ECT-32 kraft corrugated with full overlap bottom for maximum stacking strength. Sold as bundle of 25–pair with T4448INNER for complete packaging solution.
Boxes - Corrugated

4.5x4.5x48 ECT-32 Kraft Corrugated Telescoping Outer Box 25-Pack

PN: T4448OUTER

4 1/2 x 4 1/2 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$67.60 / BUNDLE
IN STOCK Ship and store flat without sacrificing strength. These 42x11x6 ECT-32 kraft corrugated boxes deliver industry-standard durability in a bundle of 20 units. Perfect for high-volume fulfillment operations seeking to maximize freight efficiency and warehouse space savings.
Boxes - Corrugated

42x11x6 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 42116

42 x 11 x 6 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$100.90 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes built for serious volume. These 29x24x24 shipping cartons deliver industry-standard stacking strength and collapse-resistant performance. Ships flat in bundles of 10 to maximize your warehouse footprint and cut freight costs.
Boxes - Corrugated

29x24x24 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 292424

29 x 24 x 24 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$136.54 / BUNDLE
IN STOCK Heavy-duty ECT-32 corrugated boxes sized 5" × 5" × 48" for shipping tall items like trophies, shelving, and rods. Sold as a bundle of 25 boxes in flat-pack format for easy storage and freight efficiency. End-loading design enables fast sealing and reduces labor time.
Boxes - Corrugated

5x5x48 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 5548

5 x 5 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$95.98 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 36" x 18" x 6" deliver the perfect shallow depth for lightweight products without excess material waste. Ideal for apparel, books, artwork, and mirrors, these flat corrugated cartons collapse for storage efficiency and arrive ready to assemble. Bundle of 15 units per order.
Boxes - Corrugated

36x18x6 ECT-32 Kraft Corrugated Boxes 15-Pack

PN: 36186

36 x 18 x 6 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$95.68 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes sized 30" × 24" × 20" for maximum payload protection and stacking performance. Single-wall construction delivers industrial-grade strength while maintaining cost efficiency–sold as a convenient bundle of 15 units. Built for warehouse managers and fulfillment operations that demand reliable, recyclable packaging.
Boxes - Corrugated

30x24x20 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 15-Pack

PN: 302420

30 x 24 x 20 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$136.63 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items up to 48 inches. ECT-32 kraft corrugated with reinforced FOL bottom delivers reliable protection and compression strength. Sold as a 25-pack bundle–pair with T6648OUTER outer cartons to complete your shipping set.
Boxes - Corrugated

6x6x48 ECT-32 Kraft Telescoping Inner Boxes 25-Pack

PN: T6648INNER

6 x 6 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$87.35 / BUNDLE
IN STOCK Adjustable 48x6x38" telescoping inner boxes built from ECT-44 kraft corrugated for maximum stacking strength on tall and irregularly shaped items. Two-piece design collapses flat for 40% better freight efficiency and warehouse storage. Sold in bundles of 10 with full overlap bottoms for added durability.
Boxes - Corrugated

48x6x38 ECT-44 Kraft Telescoping Boxes Heavy-Duty 10-Pack

PN: T48638INHD

48 x 6 x 38 in ECT-44 Corrugated 10 PER BUNDLE
$189.42 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 48x6x6 kraft corrugated boxes featuring wide lengthwise openings for fast packing. Built from durable ECT-32 single-wall corrugated material and sold in bundles of 25, these long cartons reduce per-unit costs while maintaining structural integrity. Perfect for wine bottles, umbrellas, carpet rolls, and specialty items.
Boxes - Corrugated

48x6x6 ECT-32 Kraft Corrugated Long Shipping Boxes 25-Pack

PN: 4866

48 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$106.17 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes in 36x18x18" dimensions–standard strength for mid-weight fulfillment and warehouse storage. Sold as a bundle of 15 units for volume savings and freight efficiency. Fully recyclable cardboard construction.
Boxes - Corrugated

36x18x18 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 361818

36 x 18 x 18 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$85.98 / BUNDLE
IN STOCK Industrial-grade 36x18x12 corrugated shipping boxes built from ECT-32 kraft material for dependable strength and compression resistance. Each bundle contains 15 boxes–the standard pack size for warehouse managers and fulfillment operations. Recyclable, cost-effective, and engineered for efficient pallet loading.
Boxes - Corrugated

36x18x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 361812

36 x 18 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$71.51 / BUNDLE
IN STOCK Heavy-duty ECT-44 multi-depth corrugated boxes (30x24x24") with pre-scored sides for flexible sizing–eliminate wasted space and reduce dimensional weight penalties. 40% stronger than standard shipping cartons. Sold in bundles of 10.
Boxes - Corrugated

30x24x24 ECT-44 Heavy-Duty Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MDHD302424

30 x 24 x 24 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$117.73 / BUNDLE
IN STOCK Score multiple depths without a carton sizer–fold these 30x24x12 ECT-32 kraft corrugated boxes to your exact height requirements. Eliminate SKU bloat, cut parcel shipping costs, and standardize on one versatile box. Sold in bundles of 15.
Boxes - Corrugated

30x24x12 ECT-32 Kraft Adjustable Multi-Depth Corrugated Shipping Box 15-Pack

PN: MD302412

30 x 24 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$111.30 / BUNDLE
IN STOCK Ship and store with confidence using our 30x24x10 corrugated boxes (15-pack bundle). ECT-32 single-wall kraft construction delivers dependable stacking strength and impact protection for mid-weight industrial shipments. Recyclable cardboard design reduces waste while maintaining performance standards.
Boxes - Corrugated

30x24x10 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 302410

30 x 24 x 10 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$97.48 / BUNDLE
IN STOCK Adjustable telescoping inner boxes designed for tall and irregularly shaped shipments. ECT-32 single wall kraft corrugated with FOL bottom reinforcement ensures stack strength during transport. Sold as bundle of 15–pair with T141440OUTER carton to complete your two-piece shipping system.
Boxes - Corrugated

14x14x40 ECT-32 Kraft Corrugated Telescoping Inner Boxes 15-Pack

PN: T141440INNER

14 x 14 x 40 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$90.01 / BUNDLE

Product Help Request

Send the SKU, quantity, delivery ZIP, and any required specs so we can route the request.

Overview

Compare large cardboard boxes by the complete packed item, listed dimensions and purchase quantity. The selected formats below include 18-inch and 20-inch cartons with different bundle counts.

Measure the complete packed item, including the cushioning and closure your process requires. Compare that measurement with the exact product’s usable interior. The examples below distinguish explicit inside dimensions from a listed size that still needs confirmation.

Compare selected current box formats

Curated examples, not the complete assortment. Sizes are inches; counts are whole purchase units.
Exact SKU Dimensions Listed board / construction Boxes per unit Fit evidence
181818 18 × 18 × 18 ECT-32 20 Inside dimensions explicit
202020 20 × 20 × 20 ECT-32 10 Listed size; confirm usable interior
201812 20 × 18 × 12 ECT-32 10 Listed size; confirm usable interior

ECT is an edge-crush rating of the corrugated board. It does not establish a finished carton’s safe payload, drop resistance or stacking limit. Keep wall construction separate from ECT, and evaluate the complete package for the item, storage and shipping method.

Measure the finished parcel, too

Inside dimensions help check the item’s fit; outside dimensions are relevant to carrier rating. Confirm the closed parcel’s outside measurements, weight and service before comparing shipping costs. A larger carton may change dimensional pricing, but size alone does not determine the charge.

Choose double wall because the complete packaging specification calls for it, rather than using a generic 40- or 65-pound cutoff. ECT-44 is a board grade and does not by itself mean double-wall construction.

Plan whole bundles

Box purchase-unit calculator

120 boxes at 20 per unit require 6 units: 120 boxes, none extra.

Whole purchase units = round up(boxes needed ÷ boxes per unit). The count must come from the selected SKU, not the box size. Quantity planning does not confirm fit or payload.

For 120 boxes, a 20-count format requires six units. A 10-count format requires twelve. Compare the same required count, then include the surplus produced by whole-unit rounding. A lower bundle price does not necessarily mean a lower delivered price per box.

For a bulk or wholesale shipping-box order, send each SKU, required boxes or bundles, destination ZIP, required date and receiving conditions. Include residential or commercial delivery, dock or forklift access, and any liftgate or appointment requirement. Compare actual checkout shipping or a written delivered quote. No freight rate is inferred from size alone.

Questions before ordering

Can I buy by the individual box?

These examples are sold in the purchase counts shown. The product page establishes the order unit and current ordering details.

Does a stronger ECT number mean I can pack more weight?

A board rating alone cannot answer that. Confirm wall construction and the complete packaging requirements for your shipment; test the packed item where appropriate.

How should I compare two suppliers?

Match usable size, construction, grade and boxes supplied. Divide the merchandise total plus actual shipping and applicable fees by boxes supplied, using the same tax treatment for both orders.

Continue your buying plan

Buying path

Buy Large Cardboard Boxes (18"+) by the specs that change the order

Use filters, product titles, and product pages to compare size, material, pack count, case quantity, and fit before ordering.

Compare

Use filters and product titles to narrow by the specs that affect fit.

Confirm

Open the product page before ordering a case so you can check quantity, unit, and limits.

Reorder

Save the SKU or product link for repeat purchasing and support questions.

Larger orders

For pallet, recurring, or mixed-SKU orders, send your list and ZIP and get a delivered price by email.

What to check first

  • Inside dimensions
  • Board grade or strength rating
  • Box style and closure
  • Case or bundle quantity
Common wrong-order risk: Choosing the outside size instead of the inside size. Confirm product fit, void fill, and storage space before ordering.
Use the box size calculator -> Get a delivered quote for larger orders -> Compare corrugated box types -> View products below ->