Large Cardboard Boxes (18"+)

IN STOCK Ship long items efficiently with 40x14x14 long corrugated boxes featuring wide lengthwise openings for fast packing. ECT-32 kraft construction provides reliable stacking strength, and the 15-box bundle maximizes your freight efficiency–ideal for wine bottles, umbrellas, carpet rolls, and similar elongated products.
Boxes - Corrugated

40x14x14 ECT-32 Kraft Long Corrugated Shipping Boxes 15-Pack

PN: 401414

40 x 14 x 14 in ECT-32 Corrugated 15 PER BUNDLE
$117.67 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall corrugated construction rated for maximum stacking performance and freight durability. These heavy-duty 36x18x18 kraft boxes deliver superior edge crush strength ideal for warehouse and fulfillment operations. Sold in convenient bundles of 10 and ship flat to minimize storage footprint and reduce inbound freight costs.
Boxes - Corrugated

36x18x18 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD361818DW

36 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$156.81 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall corrugated cartons rated for maximum stacking strength and durability. These 36" × 18" × 12" kraft boxes are ideal for medium to large items requiring heavy-duty protection. Sold in bundles of 10 and ship flat to reduce storage and freight costs.
Boxes - Corrugated

36x18x12 ECT-48 Kraft Double Wall Corrugated Boxes 10-Pack

PN: HD361812DW

36 x 18 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$127.87 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes sized 36" × 6" × 42" for tall, narrow items requiring side access. Ships flat to maximize storage efficiency in your warehouse. Bundle of 5 delivers proven stacking performance and freight cost savings.
Boxes - Corrugated

36x6x42 ECT-44 Kraft Side Loading Boxes 5-Pack

PN: HD36642FOL

36 x 6 x 42 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$55.55 / BUNDLE
IN STOCK Maximize shipment protection with ECT-48 heavy-duty double wall corrugated boxes sized 30x24x12–engineered for superior stacking strength and compression resistance. Kraft kraft construction absorbs impact while flat-shipped bundles of 10 minimize your storage footprint and freight costs. Built for warehouse managers who demand reliable performance at scale.
Boxes - Corrugated

30x24x12 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD302412DW

30 x 24 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$95.22 / BUNDLE
IN STOCK Heavy-duty 24x24x30 corrugated shipping boxes with ECT-32 kraft construction for reliable protection and maximum stack strength. This 10-pack bundle delivers warehouse-ready performance at volume pricing. Fully recyclable kraft material meets sustainability standards.
Boxes - Corrugated

24x24x30 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 242430

24 x 24 x 30 in ECT-32 Corrugated 10 PER BUNDLE
$77.07 / BUNDLE
IN STOCK Ship tall items efficiently with our 18x18x36 ECT-32 kraft corrugated boxes. End-loading design speeds up packing and sealing. Sold as bundles of 10 flat for maximum freight efficiency and storage savings.
Boxes - Corrugated

18x18x36 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 181836

18 x 18 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$59.68 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for vertical storage and side loading operations. 8x4x46" full overlap configuration ships and stores flat, maximizing warehouse space. Bundle of 15 boxes reduces per-unit cost and freight spend.
Boxes - Corrugated

8x4x46 ECT-32 Kraft Full Overlap Side Loading Box 15-Pack

PN: 8446FOL

8 x 4 x 46 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$67.31 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items. 6" x 6" x 48" dimensions with ECT-48 double wall kraft corrugated construction and full overlap (FOL) bottom reinforcement. Sold in bundles of 15 and pairs with our matching outer boxes for complete protective shipping solutions.
Boxes - Corrugated

6x6x48 ECT-48 Kraft Double Wall Telescoping Inner Boxes 15-Pack

PN: T6648INNERDW

6 x 6 x 48 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$116.44 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 6x6x48 dimensions ship in bundles of 25 flat for maximum freight efficiency. End-loading design accommodates tall items like shelving, rods, and trophies with superior stacking strength. Replace expensive mailing tubes at a fraction of the cost.
Boxes - Corrugated

6x6x48 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 6648

6 x 6 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$72.31 / BUNDLE
IN STOCK ECT-51 double wall corrugated cartons engineered for flat panel TV shipment. 46x8x30" kraft boxes feature full overlap flaps and pre-printed fragile messaging on two sides for maximum in-transit protection. Sold as bundle of 5–reduce per-unit cost and keep your fulfillment operation supplied.
Boxes - Corrugated

46x8x30 ECT-51 Double Wall TV Box 5-Pack

PN: 46830FPFOL

46 x 8 x 30 in ECT-51 Double Wall Corrugated 5 PER BUNDLE
$130.63 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes sized 30" × 24" × 12" deliver reliable strength for mid-weight shipments and storage. Each bundle contains 15 kraft boxes optimized for warehouse efficiency and freight cost savings. 100% recyclable corrugated construction.
Boxes - Corrugated

30x24x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 302412

30 x 24 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$89.26 / BUNDLE
IN STOCK Heavy-duty 24 x 18 x 36 corrugated shipping boxes with ECT-32 single wall construction deliver reliable stacking performance and freight efficiency. Kraft corrugated cartons ship and store flat to maximize warehouse space and reduce logistics costs. Bundle of 10 boxes–the industry standard for mid-sized fulfillment operations.
Boxes - Corrugated

24x18x36 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 241836

24 x 18 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$116.85 / BUNDLE
IN STOCK Engineered for tall and irregularly shaped shipments, these 14.5x14.5x40" telescoping outer boxes feature adjustable two-piece construction with ECT-32 kraft corrugated strength. FOL (full overlap) bottom reinforcement and sold in bundles of 15 for maximum volume savings.
Boxes - Corrugated

14.5x14.5x40 ECT-32 Kraft Telescoping Outer Boxes 15-Pack

PN: T141440OUTER

14 1/2 x 14 1/2 x 40 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$93.88 / BUNDLE
IN STOCK Ship tall items efficiently with our 14x14x40 corrugated boxes–ECT-32 kraft single-wall construction rated for stacking and freight durability. End-loading design streamlines your packing workflow. Bundle of 15 ships flat to maximize warehouse storage and reduce freight spend.
Boxes - Corrugated

14x14x40 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 141440

14 x 14 x 40 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$86.24 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes designed for tall and irregularly shaped items. ECT-32 single-wall kraft corrugated with full overlap bottom for maximum stacking strength. Sold as bundle of 25–pair with T6648INNER for a complete set.
Boxes - Corrugated

6.5x6.5x48 ECT-32 Kraft Telescoping Outer Boxes 25-Pack

PN: T6648OUTER

6 1/2 x 6 1/2 x 48 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$80.89 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes in 4" x 4" x 50" dimensions, sold as a bundle of 25 flat for maximum freight efficiency. End-loading design enables fast insertion and sealing of tall products. Purpose-built to replace mailing tubes while cutting material costs.
Boxes - Corrugated

4x4x50 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 4450

4 x 4 x 50 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$84.98 / BUNDLE
IN STOCK Ship or store garments without removing from hangers using these heavy-duty ECT-48 double-wall wardrobe boxes. 24" x 20" x 34" kraft corrugated construction with hinged hand holes for efficient handling. Sold as a bundle of 5 cartons.
Boxes - Corrugated

24x20x34 ECT-48 Corrugated Shipping Boxes 5-Pack

PN: 242034WARD

24 x 20 x 34 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$94.41 / BUNDLE
IN STOCK Adjust height to fit tall and irregular items with this two-piece telescoping outer box. ECT-32 kraft construction with full overlap bottom delivers reliable stacking strength and freight stability. Sold as bundle of 15–pair with T12448INNER to complete your shipping solution.
Boxes - Corrugated

12.5x4.5x48 ECT-32 Kraft Adjustable Telescoping Outer Boxes 15-Pack

PN: T12448OUTER

12 1/2 x 4.5 x 48 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$105.05 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 34x21x6" dimensions designed for shallow-depth products like apparel, books, and framed items. Ships flat to maximize storage efficiency and reduce freight costs. Sold as a bundle of 10 cartons.
Boxes - Corrugated

34x21x6 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 34216

34 x 21 x 6 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$75.57 / BUNDLE
IN STOCK Ship heavier loads safely with ECT-48 double wall corrugated boxes built for maximum stacking strength and freight efficiency. These 24x24x30 kraft cartons deliver superior cushioning and structural integrity for demanding warehouse operations. Bundle of 5 ships flat to maximize storage space and reduce shipping costs.
Boxes - Corrugated

24x24x30 ECT-48 Kraft Double Wall Corrugated Shipping Boxes 5-Pack

PN: HD242430DW

24 x 24 x 30 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$90.00 / BUNDLE
IN STOCK Engineered for tall and irregularly shaped items, these 6.75x6.75x48 double wall telescoping cartons feature an adjustable two-piece design with FOL bottom reinforcement. ECT-48 kraft corrugated construction rated for heavy stacking. Sold in bundles of 15 outer boxes (pair with T6648INNERDW inner cartons to complete your set).
Boxes - Corrugated

6.75x6.75x48 ECT-48 Double Wall Telescoping Boxes 15-Pack

PN: T6648OUTERDW

6 3/4 x 6 3/4 x 48 in D.W./ECT-48 Corrugated 15 PER BUNDLE
$129.43 / BUNDLE
IN STOCK Industrial-grade 6x6x48 double wall corrugated boxes manufactured from ECT-48 kraft material deliver maximum stacking strength and impact protection for demanding fulfillment operations. Each bundle of 15 ships flat, cutting storage footprint and freight costs. Purpose-built for warehouse managers who need reliable, high-performance shipping cartons without compromise.
Boxes - Corrugated

6x6x48 ECT-48 Kraft Heavy Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD6648DW

6 x 6 x 48 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$97.26 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes designed for maximum protection and stacking performance in high-volume fulfillment environments. Each 48x12x12 kraft carton delivers superior crush resistance and freight efficiency. Sold in bundles of 10 and ship flat to reduce warehouse storage footprint.
Boxes - Corrugated

48x12x12 ECT-48 Kraft Heavy-Duty Corrugated Double Wall Shipping Boxes 10-Pack

PN: HD481212DW

48 x 12 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$122.26 / BUNDLE
IN STOCK Ship tall items efficiently with our 5x5x50 corrugated boxes in ECT-32 kraft material. End-load design for fast, secure packing of fishing rods, trophies, shelving, and more. Bundle of 25 boxes ships flat to maximize freight savings.
Boxes - Corrugated

5x5x50 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 5550

5 x 5 x 50 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$99.30 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated side loading boxes designed for warehouse efficiency and maximum freight optimization. 40" x 5" x 45" dimensions ship flat in bundles of 10, reducing storage footprint while maintaining superior stacking strength. Purpose-built for fulfillment centers requiring reliable, cost-effective shipping cartons.
Boxes - Corrugated

40x5x45 ECT-44 Kraft Side Loading Boxes 10-Pack

PN: HD40545FOL

40 x 5 x 45 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$179.29 / BUNDLE
IN STOCK ECT-32 kraft telescoping inner boxes engineered for tall and irregularly shaped shipments. 8" x 8" x 48" adjustable two-piece corrugated cartons with full overlap (FOL) bottom construction. Sold as bundle of 20–pair with T8848OUTER to complete your shipping set.
Boxes - Corrugated

8x8x48 ECT-32 Kraft Telescoping Inner Boxes 20-Pack

PN: T8848INNER

8 x 8 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$68.97 / BUNDLE
IN STOCK Maximize your fulfillment efficiency with these 48x8x24 ECT-44 kraft corrugated side loading boxes. Ship and store flat to reduce warehouse footprint and freight costs by up to 40%. Bundle of 10 ready-to-assemble cartons designed for high-volume operations.
Boxes - Corrugated

48x8x24 ECT-44 Kraft Side Loading Boxes 10-Pack

PN: HD48824FOL

48 x 8 x 24 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$150.25 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 48x8x8 ECT-32 kraft corrugated boxes. Wide lengthwise openings reduce packing time and labor costs. Sold flat in bundles of 20 for maximum freight efficiency and storage savings.
Boxes - Corrugated

48x8x8 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 4888

48 x 8 x 8 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$72.19 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes sized 36" × 20" × 9" for efficient garment and apparel shipping. Ship clothing with or without hangers in one reliable kraft carton. Sold as 15-box bundle for volume savings.
Boxes - Corrugated

36x20x9 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 36209

36 x 20 x 9 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$130.23 / BUNDLE
IN STOCK ECT-44 heavy-duty multi-depth kraft corrugated cartons deliver 40% greater stacking strength than standard shipping containers. Pre-scored sides adjust from full 32x24x24 depth down to smaller profiles–one SKU replaces multiple box sizes, cutting inventory and storage overhead. Includes 10 flat-packed boxes per bundle.
Boxes - Corrugated

32x24x24 ECT-44 Heavy-Duty Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MDHD322424

32 x 24 x 24 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$99.61 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes built for industrial warehouse and fulfillment operations. These 28x28x12 shipping cartons deliver reliable stacking strength and freight efficiency in convenient bundles of 10. Recyclable material supports sustainable packaging practices.
Boxes - Corrugated

28x28x12 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 282812

28 x 28 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$66.20 / BUNDLE
IN STOCK Professional-grade 28" × 28" × 8" corrugated shipping cartons manufactured from ECT-32 single-wall kraft material. Ships flat in bundles of 10 to maximize storage efficiency and freight savings. Perfect for apparel, books, artwork, and shallow product shipments.
Boxes - Corrugated

28x28x8 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 28288

28 x 28 x 8 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$113.95 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 28x28x6 inches–engineered for shallow products that don't need deep cartons. Ships flat in bundles of 10 to maximize your warehouse efficiency and reduce freight costs on storage and transport.
Boxes - Corrugated

28x28x6 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 28286

28 x 28 x 6 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$58.99 / BUNDLE
IN STOCK Adjustable telescoping inner boxes designed for tall and irregularly shaped items. Manufactured from ECT-32 single-wall kraft corrugated with full overlap bottom reinforcement. Sold as bundle of 10–pair with T161640OUTER cartons to complete your two-piece shipping solution.
Boxes - Corrugated

16x16x40 ECT-32 Kraft Telescoping Inner Boxes 10-Pack

PN: T161640INNER

16 x 16 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$70.19 / BUNDLE
IN STOCK These 44" x 12" x 12" long corrugated cartons feature wide side openings for fast, efficient packing of elongated items like wine bottles, carpet rolls, and umbrellas. Manufactured from durable ECT-32 kraft corrugated material and sold flat in bundles of 15 for maximum freight efficiency and storage savings.
Boxes - Corrugated

44x12x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 441212

44 x 12 x 12 in ECT-32 Corrugated 15 PER BUNDLE
$96.49 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes sized 36" x 20" x 15" for high-volume apparel and garment shipping. Kraft construction provides reliable stacking strength and freight efficiency. Sold in bundles of 10 for volume savings.
Boxes - Corrugated

36x20x15 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 362015

36 x 20 x 15 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$111.37 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 36" × 20" × 12" deliver reliable protection for garment shipping and storage. This bundle of 15 cartons features single-wall construction rated for stacking performance and freight efficiency. Perfect for apparel distribution centers requiring consistent, cost-effective packaging solutions.
Boxes - Corrugated

36x20x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 362012

36 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$131.56 / BUNDLE
IN STOCK Professional-grade 32x24x24 double wall corrugated boxes built with ECT-48 kraft material for maximum protection and stacking performance. Each bundle of 5 ships flat to maximize warehouse efficiency and reduce freight costs. Ideal for fulfillment centers handling high-volume, high-value shipments.
Boxes - Corrugated

32x24x24 ECT-48 Double Wall Corrugated Boxes 5-Pack

PN: HD322424DW

32 x 24 x 24 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$64.26 / BUNDLE
IN STOCK Industrial-grade 28x28x20 corrugated boxes built from ECT-32 kraft material deliver proven stacking strength and shipping protection. Each bundle includes 10 boxes, optimizing freight density and reducing per-unit costs for high-volume operations. Recyclable kraft construction meets sustainability requirements while maintaining structural integrity.
Boxes - Corrugated

28x28x20 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 282820

28 x 28 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$82.71 / BUNDLE
IN STOCK Heavy-duty 28x28x12 double wall corrugated boxes with ECT-48 kraft construction deliver superior stacking strength and impact resistance for demanding warehouse environments. These shipping cartons ship and store completely flat, maximizing your freight efficiency and storage capacity. Bundle of 10 boxes–the industrial standard for safe, cost-effective shipping.
Boxes - Corrugated

28x28x12 ECT-48 Kraft Heavy Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD282812DW

28 x 28 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$209.10 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 28" × 28" × 10" deliver proven durability for high-volume shipping and storage operations. Ships flat to maximize warehouse space and reduce freight costs. Sold as a convenient bundle of 10 boxes.
Boxes - Corrugated

28x28x10 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 282810

28 x 28 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$110.07 / BUNDLE
IN STOCK Adjustable 8x8x48" double wall telescoping inner cartons engineered for tall and irregularly shaped items. ECT-48 kraft corrugated with full overlap bottom delivers superior stacking strength and crush resistance. Sold as bundle of 15–pair with matching T8848OUTERDW outer carton to complete your two-piece shipping system.
Boxes - Corrugated

8x8x48 ECT-48 Adjustable Double Wall Telescoping Inner Boxes 15-Pack

PN: T8848INNERDW

8 x 8 x 48 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$139.49 / BUNDLE
IN STOCK Ship tall items with confidence using our 8x8x48 ECT-32 kraft corrugated boxes. End-loading design enables fast, efficient packing of rods, trophies, and shelving units. Bundle of 20 ships flat to maximize your warehouse space and reduce freight costs.
Boxes - Corrugated

8x8x48 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 8848

8 x 8 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$78.97 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 6" x 6" x 50" for shipping tall items like fishing rods, shelving, and trophies. Sold in bundles of 25 flat-packed cartons ready to assemble. Strong single-wall construction delivers reliable protection without excess cost.
Boxes - Corrugated

6x6x50 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 6650

6 x 6 x 50 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$128.98 / BUNDLE
IN STOCK Ship tall items efficiently with these 20x20x36" kraft corrugated boxes featuring ECT-32 single-wall strength. End-loading design enables fast, secure packing of trophies, shelving, fishing rods, and other elongated products. Sold flat in convenient bundles of 10 to maximize storage and freight efficiency.
Boxes - Corrugated

20x20x36 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 202036

20 x 20 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$71.98 / BUNDLE
IN STOCK Adjustable telescoping outer boxes designed for tall and irregularly shaped items. 16.5x16.5x40" dimensions with ECT-32 single-wall corrugated kraft construction and reinforced FOL bottom. Sold in bundles of 10–pair with T161640INNER to complete your two-piece system.
Boxes - Corrugated

16.5x16.5x40 ECT-32 Kraft Telescoping Outer Boxes 10-Pack

PN: T161640OUTER

16 1/2 x 16 1/2 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$74.28 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes designed for tall, irregularly shaped items up to 48" in height. Manufactured from ECT-32 kraft corrugated with full overlap (FOL) bottoms for superior stacking strength and load stability. Sold as a bundle of 20–pair with T8848INNER to complete your shipping solution.
Boxes - Corrugated

8.5x8.5x48 ECT-32 Kraft Adjustable Telescoping Outer Boxes 20-Pack

PN: T8848OUTER

8 1/2 x 8 1/2 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$75.35 / 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

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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 ->