Large Cardboard Boxes (18"+)

IN STOCK Heavy-duty ECT-44 single wall kraft corrugated boxes designed for maximum stacking strength and protection. At 22x22x22 inches, these 40% stronger cartons optimize freight efficiency while reducing damage claims. Sold flat in convenient bundles of 10.
Boxes - Corrugated

22x22x22 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 10-Pack

PN: HD222222

22 x 22 x 22 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$69.09 / BUNDLE
IN STOCK Eliminate carton sizer complexity with pre-scored multi-depth corrugated boxes that fold to five different heights–perfect fit every time. ECT-32 kraft construction delivers durability while reducing your carton inventory and per-unit shipping costs. Sold as a bundle of 10.
Boxes - Corrugated

22x22x22 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD222222

22 x 22 x 22 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$52.04 / BUNDLE
IN STOCK Ship round and irregularly shaped products with confidence using these ECT-32 kraft corrugated cube boxes. Each 22x22x22" box offers 6.0 cubic feet of capacity and rated for reliable stacking performance. Order by the bundle of 10 and maximize your warehouse efficiency.
Boxes - Corrugated

22x22x22 ECT-32 Kraft Corrugated Cube Shipping Boxes 10-Pack

PN: 222222

22 x 22 x 22 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$46.29 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping cartons sized 22" × 22" × 8" for optimal fits on shallow product shipments. These cardboard boxes ship flat in bundles of 15, maximizing your warehouse storage efficiency and reducing inbound freight costs. Ideal for apparel, books, artwork, mirrors, and picture frames.
Boxes - Corrugated

22x22x8 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 22228

22 x 22 x 8 in ECT-32 Corrugated 15 PER BUNDLE
$54.14 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 20x20x24" deliver reliable strength for mid-weight industrial shipping and storage. This bundle of 10 standard-duty cardboard boxes provides excellent stacking performance and freight efficiency for warehouse operations. Recyclable kraft construction reduces environmental impact while maintaining cost-effectiveness.
Boxes - Corrugated

20x20x24 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 202024

20 x 20 x 24 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$48.05 / BUNDLE
IN STOCK Ship tall items safely with our 4x4x40 ECT-32 kraft corrugated boxes–ideal for trophies, shelving, rods, and vertical freight. Heavy-duty single-wall construction rated for stacking. Sold flat in bundles of 25 for maximum storage efficiency and cost savings.
Boxes - Corrugated

4x4x40 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 4440

4 x 4 x 40 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$49.59 / BUNDLE
IN STOCK ECT-48 double wall corrugated cartons engineered for maximum protection and stacking performance in high-volume fulfillment operations. Each bundle of 10 kraft boxes ships flat, reducing storage footprint and freight costs. Superior burst strength handles demanding warehouse environments.
Boxes - Corrugated

24x20x20 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD242020DW

24 x 20 x 20 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$78.61 / BUNDLE
IN STOCK Open 24 x 13 x 31-inch kraft multi-depth corrugated shipping box, SKU MD241331.
Boxes - Corrugated

24x13x31 ECT-32 Kraft Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MD241331

24 x 13 x 31 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$64.62 / BUNDLE
IN STOCK Heavy-duty 22x22x16 double wall corrugated boxes with ECT-48 rating deliver superior stacking performance and freight efficiency for high-volume warehouses. Each bundle contains 10 kraft boxes that ship flat, reducing storage footprint by up to 90%. Perfect for e-commerce fulfillment, manufacturing, and 3PL operations requiring reliable, stackable cardboard shipping containers.
Boxes - Corrugated

22x22x16 ECT-48 Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD222216DW

22 x 22 x 16 in D.W./ECT-48 Corrugated 10 PER BUNDLE
$105.69 / BUNDLE
IN STOCK Heavy-duty ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. These 22x22x12 kraft cartons deliver superior crush resistance and freight efficiency–ship flat in bundles of 10 to reduce storage and logistics costs.
Boxes - Corrugated

22x22x12 ECT-48 Kraft Heavy-Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD222212DW

22 x 22 x 12 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$102.90 / BUNDLE
IN STOCK Ship tall items efficiently with these 14x14x30 ECT-32 kraft corrugated boxes. End-loading design enables fast packing and sealing. Sold as a bundle of 20 boxes, flat-packed for minimal freight costs and warehouse space.
Boxes - Corrugated

14x14x30 ECT-32 Kraft Corrugated Tall Shipping Boxes 20-Pack

PN: 141430

14 x 14 x 30 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$87.24 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for tall, rigid items like shelving, fishing rods, and trophies. End-loading design ensures easy insertion and secure sealing. Bundle of 25 ships flat for maximum freight efficiency and volume savings.
Boxes - Corrugated

8x8x36 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 8836

8 x 8 x 36 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.40 / BUNDLE
IN STOCK Heavy-duty 6x6x38 tall corrugated boxes built with ECT-32 kraft material for secure shipping of long items like fishing rods, trophies, and shelving units. End-loading design enables fast, efficient packing. Sold flat in bundles of 25 for maximum freight efficiency and cost savings.
Boxes - Corrugated

6x6x38 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 6638

6 x 6 x 38 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$68.98 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. These 22x22x22" kraft cartons provide the strength your high-volume shipments demand, while flat-shipped bundles of 10 reduce your storage footprint and freight costs.
Boxes - Corrugated

22x22x22 ECT-48 Heavy Duty Double Wall Corrugated Shipping Boxes 10-Pack

PN: HD222222DW

22 x 22 x 22 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$99.40 / BUNDLE
IN STOCK Professional-grade 20x20x24 double wall kraft corrugated boxes with ECT-48 strength rating–built to handle heavy loads in warehouses and fulfillment centers. Ship and store flat to reduce freight costs and storage footprint. Bundle of 10 boxes per pack.
Boxes - Corrugated

20x20x24 ECT-48 Kraft Double Wall Corrugated Boxes 10-Pack

PN: HD202024DW

20 x 20 x 24 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$130.80 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for high-performance shipping and storage. This 30x15x15" size delivers optimal stacking strength and freight density in a bundle of 15 units. Perfect for mid-size fulfillment operations seeking reliable, cost-effective cartons.
Boxes - Corrugated

30x15x15 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 15-Pack

PN: 301515

30 x 15 x 15 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$58.30 / BUNDLE
IN STOCK ECT-32 kraft corrugated cartons sized 28" × 17" × 5" engineered for shallow products like apparel, books, and artwork. Sold in bundles of 15 and ship flat to maximize your warehouse efficiency and reduce storage footprint. Single-wall construction delivers reliable protection at cost-effective pricing.
Boxes - Corrugated

28x17x5 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 28175

28 x 17 x 5 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$41.88 / BUNDLE
IN STOCK Reliable ECT-32 single-wall corrugated boxes sized 20" x 20" x 25" for mid-range freight and storage applications. Kraft construction delivers predictable stacking performance and cost efficiency. Sold in bundles of 10–ideal for fulfillment centers managing variable volume demands.
Boxes - Corrugated

20x20x25 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 202025

20 x 20 x 25 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$49.50 / BUNDLE
IN STOCK Ship long, irregular items efficiently with our 15x15x30" tall corrugated boxes. ECT-32 single-wall kraft construction delivers reliable strength and 3.9 cubic feet of capacity per box. Bundle of 15 boxes–ideal for golf clubs, fishing rods, shelving, and tubes.
Boxes - Corrugated

15x15x30 ECT-32 Tall Corrugated Shipping Boxes 15-Pack

PN: 151530

15 x 15 x 30 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$54.58 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 5" × 5" × 40" for shipping tall, narrow items like fishing rods, shelving, and trophies. End-loading design speeds packing and sealing. Sold flat in bundles of 25 for maximum freight efficiency.
Boxes - Corrugated

5x5x40 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 5540

5 x 5 x 40 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$75.30 / BUNDLE
IN STOCK Industrial-grade 30x15x15 double wall corrugated shipping boxes with ECT-48 strength rating–built for high-volume fulfillment and demanding stacking environments. Ships flat to maximize warehouse efficiency and reduce freight costs. Bundle of 10 kraft cardboard boxes ready to assemble.
Boxes - Corrugated

30x15x15 ECT-48 Double Wall Corrugated Boxes 10-Pack

PN: HD301515DW

30 x 15 x 15 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$103.81 / BUNDLE
IN STOCK Tall 9x9x36" corrugated boxes made from sturdy ECT-32 kraft material, designed for end-loading efficiency and maximum protection. Perfect for shipping trophies, shelving, fishing rods, and other long items. Ships flat in bundles of 25 to maximize freight efficiency and reduce storage footprint.
Boxes - Corrugated

9x9x36 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 9936

9 x 9 x 36 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$84.97 / BUNDLE
IN STOCK Ship shallow products with confidence using these 29x17x3" ECT-32 kraft corrugated boxes. Each bundle of 25 arrives flat, maximizing your storage space and reducing freight costs. Engineered for apparel, books, artwork, and picture frames with reliable stacking performance.
Boxes - Corrugated

29x17x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 29173

29 x 17 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$112.99 / BUNDLE
IN STOCK ECT-32 kraft corrugated long boxes designed for narrow, elongated items like wine bottles, umbrellas, and carpet rolls. Wide openings along the 40" length simplify packing and reduce labor time. Shipped flat in bundles of 25 for maximum freight efficiency and storage savings.
Boxes - Corrugated

40x6x6 ECT-32 Kraft Corrugated Long Shipping Boxes 25-Pack

PN: 4066

40 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$91.66 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 36x10x10 ECT-32 kraft corrugated boxes featuring wide length openings for fast packing. Engineered for wine bottles, umbrellas, carpet rolls, and similar products. Sold flat in bundles of 20 to maximize freight efficiency and storage.
Boxes - Corrugated

36x10x10 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 361010

36 x 10 x 10 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$53.39 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed specifically for long, narrow items like wine bottles, umbrellas, and carpet rolls. The 36x10x6" dimensions with long-side openings enable fast, efficient packing without crushing or damage. Sold flat in bundles of 25 for maximum freight efficiency and cost savings.
Boxes - Corrugated

36x10x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 36106

36 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$93.76 / BUNDLE
IN STOCK Consolidate multiple piece shipments into one protective container with these ECT-51 double wall corrugated boxes (30" x 17" x 17"). Built for bulky, irregularly shaped items that demand heavy-duty protection. Sold as a bundle of 5 kraft cartons.
Boxes - Corrugated

30x17x17 ECT-51 Double Wall Corrugated Boxes 5-Pack

PN: AF301717

30 x 17 x 17 in ECT-51 Double Wall Corrugated 5 PER BUNDLE
$40.06 / BUNDLE
IN STOCK Ship and store apparel efficiently with these ECT-32 kraft corrugated boxes sized 29" x 17" x 12". Sold in bundles of 15 units for maximum volume savings. Handles hanger or flat-pack clothing with reliable stacking strength.
Boxes - Corrugated

29x17x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 291712

29 x 17 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$60.35 / BUNDLE
IN STOCK Sturdy ECT-32 single wall kraft corrugated boxes in 29" x 17" x 9" dimensions, sold in bundles of 15 for maximum freight efficiency. Designed for the garment industry–pack clothing with or without hangers. Reliable stacking performance and proven durability for high-volume warehouse operations.
Boxes - Corrugated

29x17x9 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 29179

29 x 17 x 9 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$51.01 / BUNDLE
IN STOCK Ship apparel efficiently with these ECT-32 kraft corrugated boxes sized 29" × 17" × 5". Bundle of 15 units delivers reliable strength and cost savings. Compatible with hanging or folded garments–the versatile solution for clothing warehouses and fulfillment centers.
Boxes - Corrugated

29x17x5 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 29175

29 x 17 x 5 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$44.91 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 28" x 18" x 18" deliver proven stacking strength for high-volume warehouse and fulfillment operations. Sold in bundles of 10, these heavy-duty cardboard shipping boxes maximize pallet efficiency while reducing freight costs. Fully recyclable and engineered for demanding logistics environments.
Boxes - Corrugated

28x18x18 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 281818

28 x 18 x 18 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$41.45 / BUNDLE
IN STOCK Ship smarter with these 28x18x8" ECT-32 kraft corrugated boxes–engineered for shallow products like apparel, books, and artwork. Bundle of 15 ships flat, cutting storage footprint and freight costs. ECT-32 single-wall construction delivers reliable protection with proven stacking performance.
Boxes - Corrugated

28x18x8 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 28188

28 x 18 x 8 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$68.33 / BUNDLE
IN STOCK Heavy-duty ECT-44 corrugated cartons with pre-scored multi-depth design–cut to size and eliminate wasted space that triggers dimensional weight surcharges. 40% stronger than standard shipping containers. Sold as bundle of 10.
Boxes - Corrugated

26x20x20 ECT-44 Heavy-Duty Multi-Depth Corrugated Shipping Boxes 10-Pack

PN: MDHD262020

26 x 20 x 20 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$71.94 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated shipping cartons in 26" x 20" x 20" dimensions, sold in bundles of 10. Superior stacking strength and compression resistance for reliable freight protection. Reduce per-unit packaging costs while maintaining professional shipping standards.
Boxes - Corrugated

26x20x20 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 262020

26 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$50.47 / BUNDLE
IN STOCK Industrial-grade 26x20x18" corrugated boxes built from ECT-32 kraft material for reliable mid-size product shipping and storage. Bundle of 10 units delivers consistent performance and cost efficiency for warehouse and fulfillment operations. Fully recyclable kraft construction meets sustainability standards.
Boxes - Corrugated

26x20x18 ECT-32 Kraft Corrugated Boxes 10-Pack

PN: 262018

26 x 20 x 18 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$49.05 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 26" × 20" × 16" dimensions–purpose-built for garment distribution and storage. Ship clothing with or without hangers in this reliable single-wall cardboard box. Order in bundles of 10 for better per-unit pricing and fast delivery.
Boxes - Corrugated

26x20x16 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 262016

26 x 20 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$45.13 / BUNDLE
IN STOCK Ship and store clothing efficiently with our 26x20x12 ECT-32 kraft corrugated boxes. Each bundle includes 15 boxes engineered for garment protection, with or without hangers. Single-wall construction delivers cost-effective strength and optimal freight utilization for warehouse operations.
Boxes - Corrugated

26x20x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 262012

26 x 20 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$82.22 / BUNDLE
IN STOCK Ship apparel efficiently with these 26x20x10 corrugated cartons manufactured from ECT-32 single wall kraft material. Bundle of 15 boxes provides immediate inventory at volume savings. Engineered for reliable stacking performance and hanger compatibility in garment fulfillment operations.
Boxes - Corrugated

26x20x10 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 262010

26 x 20 x 10 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$77.04 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for garment shipping and storage. 26" × 20" × 8" dimensions maximize freight efficiency while maintaining reliable stacking performance. Sold as a convenient bundle of 15 cartons–ready to ship with or without hangers.
Boxes - Corrugated

26x20x8 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 26208

26 x 20 x 8 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$90.13 / BUNDLE
IN STOCK Ship lightweight products efficiently with these 26x20x6 ECT-32 kraft corrugated boxes. The shallow 6" depth reduces dimensional weight charges and storage footprint. Bundle of 20 flat boxes ready to assemble–perfect for apparel, books, frames, and artwork.
Boxes - Corrugated

26x20x6 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 26206

26 x 20 x 6 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$88.99 / BUNDLE
IN STOCK Ship shallow products efficiently with these 26x20x4 ECT-32 kraft corrugated boxes. Perfect for apparel, books, artwork, and frames. Bundle of 20 flat boxes reduces storage footprint and freight expenses while maintaining superior stacking strength.
Boxes - Corrugated

26x20x4 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 26204

26 x 20 x 4 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$70.12 / BUNDLE
IN STOCK ECT-44 kraft corrugated side loading boxes designed for high-volume fulfillment operations. 36"L x 8"W x 30"H dimensions optimize freight efficiency and pallet stacking. Ships flat in bundles of 10 to maximize your warehouse storage capacity.
Boxes - Corrugated

36x8x30 ECT-44 Kraft Side Loading Boxes 10-Pack

PN: HD36830FOL

36 x 8 x 30 in ECT-44 Single Wall Corrugated 10 PER BUNDLE
$124.47 / BUNDLE
IN STOCK Maximize warehouse efficiency with these 36x5x36 side loading corrugated boxes featuring full overlap (FOL) flaps for enhanced product protection. Constructed from ECT-32 kraft single-wall material with 3.8 cubic foot capacity, this bundle of 20 ships flat to reduce storage footprint and freight costs–the smart choice for fulfillment directors managing high-volume operations.
Boxes - Corrugated

36x5x36 ECT-32 Side Loading Boxes Full Overlap 20-Pack

PN: 36536FOL

36 x 5 x 36 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$110.33 / BUNDLE
IN STOCK Heavy-duty ECT-32 single-wall corrugated boxes sized 29" × 17" × 20" for efficient garment and apparel shipping. Kraft construction provides reliable stacking strength and freight performance. Sold in bundles of 10 to maximize your volume savings.
Boxes - Corrugated

29x17x20 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 291720

29 x 17 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$52.93 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 29" × 17" × 15" for efficient garment storage and shipping. Accommodates clothing with or without hangers. Sold as a 15-box bundle for maximum volume savings and freight efficiency.
Boxes - Corrugated

29x17x15 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 291715

29 x 17 x 15 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$64.52 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes designed for apparel distribution. 29" x 17" x 7" dimensions accommodate folded or hanging garments. Sold in bundles of 20 for volume efficiency and freight cost savings.
Boxes - Corrugated

29x17x7 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 29177

29 x 17 x 7 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$103.11 / BUNDLE
IN STOCK ECT-48 double wall kraft corrugated boxes engineered for maximum protection and stacking performance. 28" x 18" x 18" dimensions accommodate mid-size shipments with room to spare. Ship flat in bundles of 10 to reduce warehouse footprint and freight costs.
Boxes - Corrugated

28x18x18 ECT-48 Kraft Double Wall Corrugated Boxes 10-Pack

PN: HD281818DW

28 x 18 x 18 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$115.64 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 28" × 18" × 12" dimensions, sold as a bundle of 15 units. Built for warehouse, fulfillment, and shipping operations with reliable stacking performance and superior freight efficiency. Recyclable material reduces environmental footprint while maintaining strength standards.
Boxes - Corrugated

28x18x12 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 281812

28 x 18 x 12 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$56.89 / 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 ->