Large Cardboard Boxes (18"+)

IN STOCK Specialized 36x21x20 corrugated wardrobe boxes designed to ship or store garments while still hanging on their bars–eliminating costly folding labor and damage. ECT-32 single-wall kraft construction delivers durability for retail logistics and relocation. Sold in convenient bundles of 5 with orientation arrows and delivery panels pre-printed.
Boxes - Corrugated

36x21x20 ECT-32 Kraft Wardrobe Boxes 5-Pack

PN: 362120

36 x 21 x 20 in ECT-32 Single Wall Corrugated 5 PER BUNDLE
$36.91 / BUNDLE
IN STOCK Engineered for height-critical shipments: ECT-48 double wall telescoping outer cartons with adjustable two-piece design fit tall and irregular products precisely. FOL reinforced bottom delivers superior stacking strength. Bundle of 15 kraft corrugated boxes ready to pair with matching inner cartons.
Boxes - Corrugated

8.75x8.75x48 ECT-48 Double Wall Telescoping Outer Boxes 15-Pack

PN: T8848OUTERDW

8 3/4 x 8 3/4 x 48 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$154.04 / BUNDLE
IN STOCK Ship or store garments directly on hangers with zero rehandling. These 36" x 21" x 10" kraft corrugated boxes feature ECT-32 single-wall construction with pre-printed up arrows and write-on delivery panels. Sold as a 10-pack bundle for maximum freight efficiency.
Boxes - Corrugated

36x21x10 ECT-32 Kraft Wardrobe Box 10-Pack

PN: 362110

36 x 21 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$84.67 / BUNDLE
IN STOCK Consolidate multiple shipments with these 36x22x22 double wall corrugated boxes engineered for heavy loads. ECT-51 kraft construction delivers superior stacking strength and compression resistance for bulky, irregularly shaped items. Sold as a bundle of 5 cartons.
Boxes - Corrugated

36x22x22 ECT-51 Double Wall Corrugated Boxes 5-Pack

PN: AF362222

36 x 22 x 22 in ECT-51 Double Wall Corrugated 5 PER BUNDLE
$70.66 / BUNDLE
IN STOCK Industrial-grade ECT-44 single wall corrugated side loading boxes sized 18" × 6" × 45" for tall, narrow products. Bundle of 5 ships flat to minimize storage footprint and freight costs. Kraft construction meets stringent stacking and compression standards for demanding warehouse environments.
Boxes - Corrugated

18x6x45 ECT-44 Kraft Side Loading Boxes 5-Pack

PN: HD18645FOL

18 x 6 x 45 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$61.34 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized 9x9x48" for tall product storage and shipping. Ship and store flat to maximize warehouse efficiency. Bundle of 20 boxes reduces per-unit cost and freight spend.
Boxes - Corrugated

9x9x48 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 9948

9 x 9 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$104.50 / BUNDLE
IN STOCK Maximize your warehouse efficiency with this 58x41x45" double wall corrugated box (ECT-51). Designed for consolidating multiple piece shipments and protecting bulky, irregularly shaped items, this heavy-duty carton reduces freight costs and improves stacking performance. Removable panels make packing and unpacking fast–perfect for high-volume fulfillment operations.
Boxes - Corrugated

58x41x45 ECT-51 Double Wall Corrugated Box

PN: AF584145

58 x 41 x 45 in ECT-51 Double Wall Corrugated 1 PER BUNDLE
$122.76 / BUNDLE
IN STOCK ECT-32 kraft corrugated long boxes designed for efficient packing of elongated items like wine bottles, umbrellas, and carpet rolls. The 48" length with 10" x 10" cross-section and long-side opening maximizes accessibility and reduces packing time. Sold in bundles of 20, flat for freight efficiency.
Boxes - Corrugated

48x10x10 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 481010

48 x 10 x 10 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$104.61 / BUNDLE
IN STOCK 40x18x8" corrugated boxes featuring ECT-32 single wall kraft construction deliver reliable strength for mid-weight shipments. Sold in bundles of 10, these kraft cartons maximize warehouse efficiency and stacking performance while reducing freight costs. Fully recyclable and ideal for e-commerce fulfillment and distribution centers.
Boxes - Corrugated

40x18x8 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 40188

40 x 18 x 8 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$45.84 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items. 18" × 18" × 40" dimensions in ECT-32 kraft corrugated with full overlap bottom for added strength. Sold in bundles of 10–pair with T181840OUTER to complete your shipping solution.
Boxes - Corrugated

18x18x40 ECT-32 Kraft Telescoping Inner Box 10-Pack

PN: T181840INNER

18 x 18 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$139.94 / BUNDLE
IN STOCK 10x10x48 ECT-32 Kraft Telescoping Inner Box - Adjustable Tall Carton, 20-Pack
Boxes - Corrugated

10x10x48 ECT-32 Kraft Telescoping Inner Box 20-Pack

PN: T101048INNER

10 x 10 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$83.85 / BUNDLE
IN STOCK Industrial-grade 30x30x25 corrugated shipping boxes with ECT-32 single-wall kraft construction deliver reliable stacking strength for high-volume fulfillment operations. Each bundle includes 5 boxes–optimize your freight efficiency and reduce per-unit packaging costs. Fully recyclable kraft material meets sustainability standards.
Boxes - Corrugated

30x30x25 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 5-Pack

PN: 303025

30 x 30 x 25 in ECT-32 Single Wall Corrugated 5 PER BUNDLE
$47.55 / BUNDLE
IN STOCK 10x10x48 ECT-32 Kraft Corrugated Boxes - Bundle of 20
Boxes - Corrugated

10x10x48 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 101048

10 x 10 x 48 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$74.49 / BUNDLE
IN STOCK Heavy-duty 8x8x50 corrugated boxes built from ECT-32 kraft material for shipping tall, fragile items like trophies, shelving units, and fishing rods. End-loading design enables fast, secure sealing. Sold as a bundle of 20 boxes–ships flat to maximize freight efficiency and storage space.
Boxes - Corrugated

8x8x50 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 8850

8 x 8 x 50 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$130.23 / BUNDLE
IN STOCK Heavy-duty 36x5x48 side loading boxes with ECT-44 single wall corrugated construction deliver reliable stacking performance and freight efficiency. Kraft material ships and stores flat, reducing warehouse footprint by up to 70%. Bundle of 5 boxes–the industry standard for fulfillment operations managing high-volume SKUs.
Boxes - Corrugated

36x5x48 ECT-44 Kraft Side Loading Boxes 5-Pack

PN: 36548FOL

36 x 5 x 48 in ECT-44 Single Wall Corrugated 5 PER BUNDLE
$73.40 / BUNDLE
IN STOCK Heavy-duty 22x22x36 corrugated boxes built with ECT-32 single wall kraft material for superior stacking strength and freight efficiency. End-loading design enables fast packing and sealing of tall items including shelving, trophies, and fishing rods. Sold flat in convenient bundles of 10 to maximize warehouse storage.
Boxes - Corrugated

22x22x36 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 222236

22 x 22 x 36 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$74.27 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes built for tall and irregularly shaped shipments. 18.5×18.5×40" dimensions with ECT-32 kraft corrugated construction and reinforced FOL bottom provide superior stacking performance and freight stability. Sold in bundles of 10–pair with matching inner carton (T181840INNER) to complete your packaging solution.
Boxes - Corrugated

18.5x18.5x40 ECT-32 Kraft Telescoping Outer Boxes 10-Pack

PN: T181840OUTER

18 1/2 x 18 1/2 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$145.01 / BUNDLE
IN STOCK 10.5x10.5x48" Telescoping Outer Box ECT-32 Kraft - 20-Pack Bundle
Boxes - Corrugated

10.5x10.5x48 ECT-32 Kraft Telescoping Outer Box 20-Pack

PN: T101048OUTER

10 1/2 x 10 1/2 x 48 in ECT-32 Corrugated 20 PER BUNDLE
$111.20 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping cartons designed for reliable performance in high-volume fulfillment operations. These 36x24x18 boxes deliver proven stacking strength and freight efficiency, sold in bundles of 10 for bulk cost savings. Ideal for warehouse managers seeking dependable, recyclable corrugated packaging solutions.
Boxes - Corrugated

36x24x18 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 362418

36 x 24 x 18 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$104.48 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 30" x 30" x 12" for high-volume warehouse and fulfillment operations. Sold in bundles of 10 units. Built for stacking strength and freight efficiency with reliable single-wall construction.
Boxes - Corrugated

30x30x12 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 303012

30 x 30 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$89.58 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 48x12x12" corrugated boxes featuring a convenient long side opening for fast packing. ECT-32 kraft construction provides reliable protection for wine bottles, umbrellas, carpet rolls, and similar products. Sold in bundles of 10–order flat and assemble on-demand to maximize warehouse space.
Boxes - Corrugated

48x12x12 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 481212

48 x 12 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$43.59 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 48x12x6 corrugated boxes. ECT-32 kraft construction delivers reliable stacking strength and crush resistance. Sold in bundles of 20 and shipped flat to maximize freight efficiency and storage space.
Boxes - Corrugated

48x12x6 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 48126

48 x 12 x 6 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$111.00 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 40x20x20" dimensions–the industry standard for mid-weight shipping and storage. Bundle of 10 ships flat to maximize warehouse efficiency and reduce freight costs. Perfect for fulfillment centers managing high-volume orders.
Boxes - Corrugated

40x20x20 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 402020

40 x 20 x 20 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$121.05 / BUNDLE
IN STOCK Heavy-duty 36x24x24 corrugated shipping boxes built from ECT-32 kraft material for reliable protection and optimal stacking performance. Each bundle includes 5 boxes, reducing per-unit costs for warehouse managers and fulfillment operations. Recyclable construction supports sustainable logistics without sacrificing strength.
Boxes - Corrugated

36x24x24 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 5-Pack

PN: 362424

36 x 24 x 24 in ECT-32 Single Wall Corrugated 5 PER BUNDLE
$41.46 / BUNDLE
IN STOCK ECT-32 single wall corrugated boxes in 36x24x12" dimensions deliver reliable strength for warehouse and fulfillment operations. Each bundle of 10 kraft cartons is built to stack, ship, and perform under standard industrial loads. Recyclable material cuts costs without compromising durability.
Boxes - Corrugated

36x24x12 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 362412

36 x 24 x 12 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$62.45 / BUNDLE
IN STOCK Heavy-duty 36x24x10 corrugated boxes with ECT-32 kraft construction deliver proven stacking performance and freight efficiency for demanding warehouse environments. Perfect for mid-size product shipments, these single-wall cartons maximize cube utilization while maintaining structural integrity. Sold as a bundle of 10–reduce cost per unit while ensuring consistent packaging across your fulfillment operation.
Boxes - Corrugated

36x24x10 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 362410

36 x 24 x 10 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$98.19 / BUNDLE
IN STOCK Heavy-duty ECT-48 kraft double wall cartons engineered for maximum protection and stacking performance. 30" × 30" × 12" dimensions optimize pallet loads and freight costs. Ships flat in bundles of 5–save storage space and reduce inbound shipping.
Boxes - Corrugated

30x30x12 ECT-48 Kraft Double Wall Corrugated Boxes 5-Pack

PN: HD303012DW

30 x 30 x 12 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$78.74 / BUNDLE
IN STOCK Heavy-duty 30x30x10 corrugated boxes built from ECT-32 kraft material deliver consistent stacking performance for high-volume fulfillment operations. Each 15-pack bundle maximizes freight efficiency while reducing per-unit costs. Ideal for warehouses and 3PLs shipping mid-size products with confidence.
Boxes - Corrugated

30x30x10 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 303010

30 x 30 x 10 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$112.42 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 30" × 30" × 8" for efficient shipping of shallow products like apparel, books, and artwork. These flat corrugated cartons arrive pre-bundled (10 per pack) and ship flat to maximize warehouse storage and reduce freight costs. Durable single-wall construction rated for reliable stacking performance.
Boxes - Corrugated

30x30x8 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 30308

30 x 30 x 8 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$66.90 / BUNDLE
IN STOCK These 30x30x6 corrugated cartons feature ECT-32 kraft construction and ship flat to maximize warehouse storage efficiency. Ideal for apparel, books, picture frames, and artwork requiring shallow-depth packaging. Bundle of 15 flat boxes reduces per-unit cost and freight overhead.
Boxes - Corrugated

30x30x6 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 30306

30 x 30 x 6 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$113.30 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner cartons sized 20x20x40 inches–perfect for tall, oversized, and irregularly shaped shipments. Manufactured from durable ECT-32 kraft corrugated with full overlap bottom reinforcement for maximum stacking strength. Sold as bundle of 10; pair with T202040OUTER to complete your shipping set.
Boxes - Corrugated

20x20x40 ECT-32 Kraft Telescoping Inner Boxes 10-Pack

PN: T202040INNER

20 x 20 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$94.04 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes sized 12x12x48" in ECT-32 kraft corrugated for maximum flexibility with tall and irregularly shaped items. Features a full overlap (FOL) bottom for superior stacking strength and durability. Sold as a bundle of 15–pair with T121248OUTER for complete shipping protection.
Boxes - Corrugated

12x12x48 ECT-32 Kraft Telescoping Inner Boxes 15-Pack

PN: T121248INNER

12 x 12 x 48 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$105.73 / BUNDLE
IN STOCK Heavy-duty ECT-48 kraft double wall boxes deliver superior protection and stacking performance for demanding warehouse operations. These 40x20x20 corrugated cartons combine maximum crush resistance with efficient flat-ship storage. Bundle of 5 units reduces your per-box cost and freight overhead.
Boxes - Corrugated

40x20x20 ECT-48 Double Wall Corrugated Boxes 5-Pack

PN: HD402020DW

40 x 20 x 20 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$83.72 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 36" × 24" × 20" deliver reliable stacking performance and freight efficiency for high-volume shipping operations. Sold in bundles of 5, these standard-strength cardboard shipping boxes are engineered to protect mid-to-heavy goods while optimizing pallet utilization. Recyclable kraft construction reduces environmental footprint without compromising durability.
Boxes - Corrugated

36x24x20 ECT-32 Kraft Corrugated Shipping Boxes 5-Pack

PN: 362420

36 x 24 x 20 in ECT-32 Single Wall Corrugated 5 PER BUNDLE
$38.36 / BUNDLE
IN STOCK ECT-48 double wall corrugated boxes built for high-performance industrial shipping. 36" × 24" × 12" kraft construction delivers maximum stacking strength and impact resistance. Ships flat in bundles of 5 to reduce storage footprint and freight costs.
Boxes - Corrugated

36x24x12 ECT-48 Double Wall Corrugated Shipping Boxes 5-Pack

PN: HD362412DW

36 x 24 x 12 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$57.98 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes built for demanding warehouse and fulfillment operations. These 36x24x8 kraft cartons deliver maximum stacking performance and freight efficiency while shipping flat to minimize storage overhead. Bundle of 10 units.
Boxes - Corrugated

36x24x8 ECT-48 Kraft Double Wall Corrugated Boxes 10-Pack

PN: HD36248DW

36 x 24 x 8 in ECT-48 Double Wall Corrugated 10 PER BUNDLE
$153.19 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping cartons sized 36" x 24" x 8" for optimal fit with shallow products. Bundle of 10 ships flat to maximize warehouse efficiency and minimize freight expenses. Ideal for apparel, books, frames, artwork, and retail merchandise.
Boxes - Corrugated

36x24x8 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 36248

36 x 24 x 8 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$81.50 / BUNDLE
IN STOCK Ship smarter with 36x24x6 ECT-32 kraft corrugated boxes–engineered for shallow products like apparel, books, artwork, and frames. Ships flat to maximize your warehouse storage and reduce freight costs. Bundle of 10 boxes.
Boxes - Corrugated

36x24x6 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 36246

36 x 24 x 6 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$55.14 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 36x24x4" dimensions engineered for shallow-depth products like apparel, books, and artwork. Ships flat in bundles of 10 to maximize your storage footprint and reduce inbound freight costs. Reliable single-wall construction rated for standard handling and stacking.
Boxes - Corrugated

36x24x4 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 36244

36 x 24 x 4 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$54.87 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes designed for demanding warehouse and fulfillment operations. 30" x 30" x 16" dimensions deliver maximum cubic capacity with superior stacking performance and crush resistance. Ships flat in bundles of 5 to minimize storage footprint and freight costs.
Boxes - Corrugated

30x30x16 ECT-48 Double Wall Corrugated Boxes 5-Pack

PN: HD303016DW

30 x 30 x 16 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$83.58 / BUNDLE
IN STOCK Heavy-duty 30" x 30" x 16" corrugated shipping boxes built from ECT-32 kraft material for reliable stacking and freight optimization. Each bundle contains 10 boxes–the standard-strength solution for mid-size fulfillment operations. Recyclable kraft construction reduces waste while delivering proven containment performance.
Boxes - Corrugated

30x30x16 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 303016

30 x 30 x 16 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$79.28 / BUNDLE
IN STOCK Professional-grade 24 x 24 x 36" corrugated shipping boxes with ECT-32 kraft construction deliver reliable protection for mid-size shipments and warehouse storage. Sold as a convenient bundle of 5 boxes, these kraft cartons offer excellent stacking strength and freight efficiency. Recyclable cardboard construction reduces waste while maintaining durability for demanding fulfillment operations.
Boxes - Corrugated

24x24x36 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 5-Pack

PN: 242436

24 x 24 x 36 in ECT-32 Single Wall Corrugated 5 PER BUNDLE
$47.80 / BUNDLE
IN STOCK Ship and store efficiently with these 14x4x52 side loading corrugated boxes featuring ECT-32 single-wall construction. Full overlap (FOL) design ships flat to maximize warehouse space. Bundle of 15 boxes reduces per-unit cost and streamlines your fulfillment operation.
Boxes - Corrugated

14x4x52 ECT-32 Full Overlap FOL Side Loading Boxes 15-Pack

PN: 14452FOL

14 x 4 x 52 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$106.86 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 12" × 12" × 48" deliver 4.0 cubic feet of capacity per box, ideal for tall, narrow shipments and storage. End-loading design speeds packing and sealing operations. Sold as bundle of 15, flat-packed to maximize freight efficiency and minimize warehouse footprint.
Boxes - Corrugated

12x12x48 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 121248

12 x 12 x 48 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$89.30 / BUNDLE
IN STOCK ECT-32 rated 8x4x52" full overlap side loading boxes designed for tall, lightweight shipments. Bundle of 15 kraft corrugated cartons ships and stores flat to maximize warehouse efficiency. Industry-standard FOL design reduces damage while optimizing freight costs.
Boxes - Corrugated

8x4x52 ECT-32 Kraft Full Overlap FOL Side Loading Box 15-Pack

PN: 8452FOL

8 x 4 x 52 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$66.07 / BUNDLE
IN STOCK Industrial-grade 36x24x18 double wall corrugated cartons rated ECT-48 kraft for maximum protection and stacking performance. Built for high-volume shipping, these heavy-duty boxes arrive flat in bundles of 5, reducing your storage footprint and freight costs. Trust tested construction that keeps shipments secure every time.
Boxes - Corrugated

36x24x18 ECT-48 Double Wall Corrugated Boxes 5-Pack

PN: HD362418DW

36 x 24 x 18 in ECT-48 Double Wall Corrugated 5 PER BUNDLE
$102.63 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes sized 20.5" x 20.5" x 40" for tall, irregular items. Engineered from ECT-32 single-wall kraft corrugated with full overlap bottom for maximum stacking strength. Sold as a bundle of 10 outer cartons–pair with T202040INNER to complete the system.
Boxes - Corrugated

20.5x20.5x40 ECT-32 Kraft Telescoping Outer Boxes 10-Pack

PN: T202040OUTER

20 1/2 x 20 1/2 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$105.43 / BUNDLE
IN STOCK Ship tall items with confidence using these 20×20×40" ECT-32 kraft corrugated boxes. Heavy-duty single-wall construction handles trophies, shelving, fishing rods, and more. Each bundle of 10 boxes ships flat for maximum freight efficiency and storage savings.
Boxes - Corrugated

20x20x40 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 10-Pack

PN: 202040

20 x 20 x 40 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$97.48 / 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.

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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 ->