Corrugated Boxes

IN STOCK ECT-32 single wall corrugated side loading boxes measuring 24
Boxes - Corrugated

24x5x18 ECT-32 Kraft Side Loading Boxes 25-Pack

PN: 24518FOL

24 x 5 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.47 / BUNDLE
IN STOCK Industry-standard 17x12x6 corrugated shipping boxes built with ECT-32 single-wall kraft construction for reliable protection and stackability. Ships flat to maximize warehouse storage efficiency and reduce freight spend. Bundle of 25 cartons ready to deploy.
Boxes - Corrugated

17x12x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17126

17 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$57.27 / BUNDLE
IN STOCK Premium ECT-32 kraft corrugated boxes sized 16
Boxes - Corrugated

16x13x13 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 161313

16 x 13 x 13 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$52.30 / BUNDLE
IN STOCK Ship smart with these 17.5x12x3
Boxes - Corrugated

17.5x12x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17123

17 1/2 x 12 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$53.45 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 24x6x8 ECT-32 kraft corrugated boxes. Wide lengthwise openings accelerate packing while ECT-32 single-wall construction handles regional freight. Sold in bundles of 25 for maximum volume savings.
Boxes - Corrugated

24x6x8 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 2468

24 x 6 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.69 / BUNDLE
IN STOCK Ship long, narrow items efficiently with these 24x6x6 ECT-32 kraft corrugated boxes featuring wide length-wise openings for fast packing. ECT-32 single-wall construction delivers reliable protection while the narrow profile maximizes freight efficiency. Sold as a bundle of 25 boxes, shipped flat to reduce storage footprint.
Boxes - Corrugated

24x6x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 2466

24 x 6 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$25.54 / BUNDLE
IN STOCK Industrial-grade 20x10x12 corrugated shipping boxes built from ECT-32 kraft material for reliable protection and stackability. Each bundle contains 25 boxes–ideal for e-commerce fulfillment, warehouse storage, and logistics operations. Recyclable kraft construction reduces your environmental footprint while maximizing freight efficiency.
Boxes - Corrugated

20x10x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 201012

20 x 10 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$45.92 / BUNDLE
IN STOCK Ship long, narrow items efficiently with our 20x10x6
Boxes - Corrugated

20x10x6 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 20106

20 x 10 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$34.10 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes designed with shallow 4-inch depth for optimal fit on smaller items. Ships flat to maximize storage efficiency and reduce freight costs. Bundle of 25 boxes per pack.
Boxes - Corrugated

20x10x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 20104

20 x 10 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$29.69 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated shipping boxes sized 18
Boxes - Corrugated

18x12x14 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 181214R

18 x 12 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$55.68 / BUNDLE
IN STOCK ECT-44 single wall kraft corrugated boxes engineered for maximum stacking strength and damage protection. These 18x12x12 heavy-duty cartons deliver 40% greater crush resistance than standard shipping containers, making them ideal for high-volume fulfillment operations. Sold flat in bundles of 25 for maximum freight efficiency and warehouse storage.
Boxes - Corrugated

18x12x12 ECT-44 Kraft Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD1812

18 x 12 x 12 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$66.40 / BUNDLE
IN STOCK Ship with confidence using ECT-32 white corrugated boxes engineered for reliable stacking and freight efficiency. These 18x12x12 shipping cartons deliver the same durability as standard kraft boxes while presenting a crisp, professional appearance that makes applied labels and shipping instructions stand out. Bundle of 25 boxes reduces per-unit costs and minimizes storage footprint.
Boxes - Corrugated

18x12x12 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 181212W

18 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$57.88 / BUNDLE
IN STOCK Protect high-value printed materials with ECT-32 kraft corrugated boxes sized specifically for standard paper formats. These 18x12x12 shipping cartons provide reliable stacking performance and efficient freight utilization. Sold in bundles of 25 boxes.
Boxes - Corrugated

18x12x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 181212

18 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$43.49 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes in 18
Boxes - Corrugated

18x12x9 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18129R

18 x 12 x 9 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.35 / BUNDLE
IN STOCK ECT-32 single-wall corrugated boxes in 18x12x8
Boxes - Corrugated

18x12x8 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 18128W

18 x 12 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$78.38 / BUNDLE
IN STOCK Dependable 18x12x7 corrugated shipping boxes engineered for warehouse and fulfillment operations. ECT-32 single-wall kraft construction delivers reliable stacking strength and impact protection. Each bundle of 25 maximizes freight efficiency and reduces per-unit costs.
Boxes - Corrugated

18x12x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18127R

18 x 12 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$47.61 / BUNDLE
IN STOCK ECT-32 single-wall white corrugated boxes designed for warehouse managers who need reliable, label-ready shipping cartons. 18
Boxes - Corrugated

18x12x6 ECT-32 White Corrugated Shipping Boxes 25-Pack

PN: 18126W

18 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.28 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized specifically for standard paper formats. 18
Boxes - Corrugated

18x12x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18126

18 x 12 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$36.67 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 18
Boxes - Corrugated

18x12x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18125

18 x 12 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.59 / BUNDLE
IN STOCK Ship shallow products efficiently with these 18x12x3 ECT-32 kraft corrugated boxes. Ideal for apparel, books, frames, and artwork. Bundle of 25 flat boxes reduces your warehouse footprint and freight spend–order now and cut packaging costs.
Boxes - Corrugated

18x12x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18123

18 x 12 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$59.96 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes engineered for shallow-profile shipping. At 17
Boxes - Corrugated

17x13x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 17135

17 x 13 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.95 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 16x14x14 dimensions deliver reliable protection for mid-weight products at competitive per-unit costs. This 25-box bundle offers immediate inventory availability and consistent stacking performance for warehouse operations. Recyclable kraft material meets sustainability standards while maintaining proven durability.
Boxes - Corrugated

16x14x14 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 161414

16 x 14 x 14 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$58.09 / BUNDLE
IN STOCK Upgrade to ECT-44 heavy-duty corrugated boxes that deliver 40% greater stacking strength than standard shipping containers. These 16
Boxes - Corrugated

16x14x10 ECT-44 Heavy-Duty Corrugated Shipping Boxes 25-Pack

PN: HD161410

16 x 14 x 10 in ECT-44 Single Wall Corrugated 25 PER BUNDLE
$123.43 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes built for dependable mid-size shipments and storage. These 16
Boxes - Corrugated

16x14x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 161410

16 x 14 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$50.33 / BUNDLE
IN STOCK Reliable ECT-32 single-wall corrugated boxes sized 16
Boxes - Corrugated

16x14x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16148

16 x 14 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$45.92 / BUNDLE
IN STOCK Optimize your fulfillment with 16x14x6 ECT-32 kraft corrugated boxes designed for shallow products and cost-effective shipping. These flat kraft cardboard boxes ship bundled (25-pack) to minimize warehouse footprint and freight expense. Ideal for apparel, books, picture frames, and artwork.
Boxes - Corrugated

16x14x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16146

16 x 14 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$42.30 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 16
Boxes - Corrugated

16x14x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 16144

16 x 14 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.81 / BUNDLE
IN STOCK ECT-32 single-wall kraft corrugated boxes sized 15
Boxes - Corrugated

15x15x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 151512

15 x 15 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$56.64 / BUNDLE
IN STOCK Industrial-grade 15x15x8 corrugated shipping boxes manufactured from ECT-32 kraft material for reliable protection and cost efficiency. This bundle of 25 kraft boxes delivers consistent performance for mid-weight product shipments. Recyclable cardboard construction reduces your environmental footprint while maintaining structural integrity.
Boxes - Corrugated

15x15x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15158

15 x 15 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$47.95 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized 15
Boxes - Corrugated

15x15x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15157

15 x 15 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$45.92 / BUNDLE
IN STOCK These 15x15x6 flat corrugated boxes deliver reliable ECT-32 kraft construction for shallow-profile products. Bundle of 25 ships flat–reducing storage footprint and freight costs while maintaining full stacking strength. Ideal for apparel, books, artwork, and picture frames.
Boxes - Corrugated

15x15x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15156

15 x 15 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$44.35 / BUNDLE
IN STOCK Ship lighter with less wasted space. These 15x15x5 ECT-32 kraft corrugated boxes feature shallow depth ideal for apparel, books, artwork, and picture frames. Sold in bundles of 25 and ship flat to maximize your storage and reduce freight costs.
Boxes - Corrugated

15x15x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15155

15 x 15 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$42.52 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes sized 15
Boxes - Corrugated

15x15x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 15154

15 x 15 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.24 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 15x15x3
Boxes - Corrugated

15x15x3 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 15153

15 x 15 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$50.68 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes designed for long, narrow items–wine bottles, umbrellas, carpet rolls, and similar products. The 24x6x4
Boxes - Corrugated

24x6x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 2464

24 x 6 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$35.38 / BUNDLE
IN STOCK Ship long, narrow items efficiently with our 20x10x10 corrugated boxes made from durable ECT-32 kraft material. Wide lengthwise opening design cuts packing time and labor costs. Sold in bundles of 25–maximize your freight efficiency and volume savings.
Boxes - Corrugated

20x10x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 201010

20 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$42.30 / BUNDLE
IN STOCK Ship long, narrow items faster with 20x10x8 corrugated boxes featuring convenient long-side openings for quick packing. ECT-32 kraft construction delivers reliable protection while our bundle of 20 reduces per-unit cost. Perfect for wine bottles, umbrellas, carpet rolls, and custom-length products.
Boxes - Corrugated

20x10x8 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 20108

20 x 10 x 8 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$30.76 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 18
Boxes - Corrugated

18x12x18 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 181218

18 x 12 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.55 / BUNDLE
IN STOCK Reliable ECT-32 kraft corrugated boxes sized 18
Boxes - Corrugated

18x12x16 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 181216

18 x 12 x 16 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.42 / BUNDLE
IN STOCK ECT-48 double wall kraft corrugated boxes designed for warehouse and fulfillment operations requiring maximum durability and ergonomic handling. Each 18
Boxes - Corrugated

18x12x12 ECT-48 Double Wall Corrugated Shipping Boxes w/ Hand Holes 15-Pack

PN: HD181212DWHH

18 x 12 x 12 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$72.56 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes engineered for maximum protection and stacking strength on the warehouse floor. These 18
Boxes - Corrugated

18x12x12 ECT-48 Corrugated Shipping Boxes Heavy Duty 15-Pack

PN: HD1812DW

18 x 12 x 12 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$45.51 / BUNDLE
IN STOCK Fold this 18x12x12 ECT-32 kraft corrugated box down to 6
Boxes - Corrugated

18x12x12 ECT-32 Multi-Depth Corrugated Shipping Boxes 25-Pack

PN: MD181212

18 x 12 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$56.14 / BUNDLE
IN STOCK ECT-48 double wall corrugated boxes engineered for maximum protection and stacking performance. These 18x12x10 kraft cartons deliver heavy-duty strength for high-volume fulfillment operations. Bundle of 15 ships flat–reducing storage footprint and freight costs.
Boxes - Corrugated

18x12x10 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD181210DW

18 x 12 x 10 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$45.48 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 18x12x10
Boxes - Corrugated

18x12x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 181210

18 x 12 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$42.78 / BUNDLE
IN STOCK Industrial-grade ECT-48 double wall corrugated boxes engineered for high-performance shipping and storage. 18
Boxes - Corrugated

18x12x8 ECT-48 Double Wall Corrugated Boxes 15-Pack

PN: HD18128DW

18 x 12 x 8 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$41.66 / BUNDLE
IN STOCK Protect printed materials, catalogs, and documents with these ECT-32 kraft corrugated boxes in 18x12x8
Boxes - Corrugated

18x12x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18128

18 x 12 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$40.61 / BUNDLE
IN STOCK Protect high-value shipments with ECT-48 double wall kraft corrugated boxes. These 18
Boxes - Corrugated

18x12x6 ECT-48 Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD18126DW

18 x 12 x 6 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$50.17 / BUNDLE
IN STOCK Ship smart with these ECT-32 kraft corrugated boxes sized 18
Boxes - Corrugated

18x12x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18124

18 x 12 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$34.24 / BUNDLE

Product Help Request

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

SELECTION EXPERT ADVICE

Wall Strength and Board Grade
MORE INFO
Single-wall corrugated handles most standard shipments, while double and triple-wall construction is built for heavy, sharp-edged, or high-value loads. Matching the board grade to your product weight prevents in-transit damage and avoids the cost of replacing goods that arrive compromised.
Size Selection and Dimensional Weight
MORE INFO
Choosing the right box dimensions for each SKU directly reduces what carriers charge in dimensional weight fees. A properly sized box also means less cushioning material needed to secure your product, which brings down both your material cost and your pack time per order.
RSC vs Specialty Box Styles
MORE INFO
Standard RSC boxes work well for most applications, but specialty styles like flat, cube, multi-depth, and telescoping boxes give you more flexibility for irregular products, retail display setups, and high-volume packing lines where a tighter fit around the product makes a real difference.
Overview

2,244 corrugated boxes from 4 to 36 inches: ECT-32 kraft shipping boxes, white literature mailers and multi-depth cartons in bundles of 10, 25 and 50. Inside dimensions, board grade and bundle size are listed per product, and the same box is often available in several depths. Orders ship from five US regional warehouses; for mixed or recurring orders use the bulk quote path with SKU, quantity and destination ZIP.

Related collections

From lightweight ECT-32 single wall for everyday parcels to heavier grades for dense loads. Every box lists its wall construction and certificate class on the product page.

Buying path

Buy Corrugated Boxes 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

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Reorder

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Larger orders

For pallet, recurring, or mixed-SKU needs, send support the details before placing a large order.

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 -> Contact support for larger orders -> Compare corrugated box types -> View products below ->

Sizing & buying guides