Large Cardboard Boxes (18"+)

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" ECT-32 kraft corrugated boxes. Wide long-side opening speeds packing of wine bottles, umbrellas, carpet rolls, and similar products. Sold as a 25-box bundle–ideal for high-volume fulfillment centers.
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" x 12" x 14" deliver reliable stacking performance for mid-weight products. This 25-box bundle reduces per-unit costs while maintaining structural integrity for efficient fulfillment operations. Recyclable kraft construction supports sustainable warehouse practices.
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" × 12" × 9" dimensions, sold as a convenient bundle of 25. Engineered to protect printed materials, documents, catalogs, and letterhead during storage and shipment. Proven stacking performance meets industrial warehouse standards.
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" dimensions–the proven workhorse for mid-size shipments. Ships and stores flat, reducing warehouse footprint by up to 90%. Bundle of 25 delivers immediate cost savings and ready-to-use performance.
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" × 12" × 6" dimensions provide 1,296 cu. in. of usable space with strong stacking performance. Sold as 25-box bundle–ideal for freight consolidation and inventory management.
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" x 12" x 6" dimensions fit catalogs, forms, letterhead, and printed materials perfectly. Sold in bundles of 25 for maximum freight efficiency and volume savings.
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" × 12" × 5"–engineered for shallow product categories like apparel, books, and framed items. Ships flat to maximize storage efficiency and reduce freight costs. Sold in bundles of 25 for volume savings.
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 designed for long, narrow items–wine bottles, umbrellas, carpet rolls, and similar products. The 24x6x4" long-side opening provides fast, efficient packing and reduces labor time. Sold flat in bundles of 25 for maximum space savings and freight efficiency.
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" x 12" x 18" deliver reliable stacking strength for mid-weight industrial shipping. This 25-pack bundle offers volume savings for warehouse managers and fulfillment operations running consistent shipment volumes. Single-wall construction balances durability with freight efficiency.
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" × 12" × 16" for mid-weight shipping and storage applications. Single wall construction delivers proven stacking performance at standard strength. Sold in bundles of 25 to maximize warehouse efficiency and reduce per-unit costs.
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" × 12" × 12" box features reinforced hand holes for convenient grip and transport, with heavy-duty construction that delivers superior stacking performance and protection for mid-weight to heavy products. Sold as a bundle of 15 units.
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" x 12" x 12" kraft cartons ship flat in bundles of 15 to reduce storage footprint and freight costs while ensuring your shipments arrive damage-free.
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", 9", or 12" height with pre-scored sides–no carton sizer needed. Consolidate multiple SKUs into one inventory item and eliminate dimensional weight overages on parcel shipments. Sold as a bundle of 25 adjustable boxes.
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" dimensions–the ideal size for catalogs, forms, letterhead, and printed materials. Single-wall construction delivers reliable protection at a competitive cost. Sold as a bundle of 25 boxes, perfect for warehouses and fulfillment operations managing regular document shipments.
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" x 12" x 8" dimensions deliver optimal stacking strength and freight efficiency. Bundle of 15 kraft cartons ships flat to maximize warehouse space and reduce logistics costs.
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" dimensions. Single-wall construction delivers reliable stacking performance and crush resistance. Sold in convenient 25-box bundles for predictable ordering and freight efficiency.
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" x 12" x 6" heavy-duty cartons deliver superior stacking strength and crush resistance. Sold in bundles of 15 and ship flat to maximize your warehouse efficiency and reduce freight costs.
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" x 12" x 4"–ideal for shallow products like apparel, books, and artwork. Sold flat in bundles of 25 to maximize storage efficiency and reduce freight spend. Strong single-wall construction delivers reliable protection at competitive volume pricing.
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
IN STOCK Ship shallow products efficiently with our 18" x 12" x 2" ECT-32 kraft corrugated boxes. Designed for apparel, books, artwork, and picture frames, these flat corrugated cartons arrive bundled 25/case and ship flat to maximize your warehouse space and reduce freight expenses.
Boxes - Corrugated

18x12x2 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18122

18 x 12 x 2 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$62.39 / BUNDLE
IN STOCK Multi-depth corrugated boxes that fold to your exact size–no carton sizer required. Pre-scored sides let you adjust height for perfect fit, reducing dimensional weight charges and inventory SKUs. ECT-32 kraft construction delivers reliable protection. Bundle of 25.
Boxes - Corrugated

12x12x18 ECT-32 Kraft Adjustable Multi-Depth Corrugated Shipping Box 25-Pack

PN: MD121218

12 x 12 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$51.32 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes sized 12" × 12" × 18" deliver dependable single-wall strength for mid-weight shipping and storage applications. Sold as a convenient bundle of 25 cartons, these standard-strength cardboard boxes maximize freight efficiency and reduce per-unit packaging costs. 100% recyclable kraft construction.
Boxes - Corrugated

12x12x18 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 121218

12 x 12 x 18 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$50.43 / BUNDLE
IN STOCK 10x10x20 ECT-32 Kraft Corrugated Boxes - Tall Shipping, 25-Pack
Boxes - Corrugated

10x10x20 ECT-32 Kraft Corrugated Heavy Duty Shipping Boxes 25-Pack

PN: 101020

10 x 10 x 20 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$43.60 / BUNDLE
IN STOCK ECT-44 kraft corrugated side loading boxes engineered for high-volume fulfillment operations. 24" × 6" × 18" dimensions nest flat for 60% storage savings and fast deployment. Industry-standard stacking strength rated for 44 ECT–handle full pallets with confidence.
Boxes - Corrugated

24x6x18 ECT-44 Kraft Side Loading Boxes 10-Pack

PN: HD24618FOL

24 x 6 x 18 in ECT-44 Corrugated 10 PER BUNDLE
$63.27 / BUNDLE
IN STOCK ECT-48 heavy-duty double wall corrugated boxes engineered for maximum protection and stacking performance. These 24" x 6" x 6" kraft cartons deliver superior burst strength and crush resistance–ideal for high-volume fulfillment operations. Bundle of 15 ships flat to maximize warehouse efficiency and reduce freight costs.
Boxes - Corrugated

24x6x6 ECT-48 Kraft Heavy Duty Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD2466DW

24 x 6 x 6 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$44.93 / BUNDLE
IN STOCK Ship tall items safely with these 6x6x24" ECT-32 kraft corrugated boxes. End-loading design speeds packing and sealing. Bundle of 25 boxes ships flat for space-efficient storage–ideal for warehouses and fulfillment centers handling trophies, fishing rods, shelving, and similar long products.
Boxes - Corrugated

6x6x24 ECT-32 Kraft Corrugated Boxes 25-Pack

PN: 6624

6 x 6 x 24 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$32.86 / BUNDLE
IN STOCK ECT-48 double wall corrugated boxes engineered for maximum stacking strength and freight protection. These 12x12x18 kraft cartons arrive flat-packed to reduce warehouse storage footprint and shipping costs. Bundle of 15 units–the industrial standard for mid-size shipments.
Boxes - Corrugated

12x12x18 ECT-48 Double Wall Corrugated Shipping Boxes 15-Pack

PN: HD121218DW

12 x 12 x 18 in ECT-48 Double Wall Corrugated 15 PER BUNDLE
$83.49 / BUNDLE
IN STOCK Durable 19x12x7 kraft corrugated boxes with ECT-32 single-wall construction deliver reliable performance for mid-sized shipments and storage. Ship flat to maximize pallet density and cut freight costs by up to 15%. Bundle of 25 boxes–ready to stock your warehouse.
Boxes - Corrugated

19x12x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 19127

19 x 12 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$71.34 / BUNDLE
IN STOCK Optimize your fulfillment operation with these 19x12x3 ECT-32 kraft corrugated boxes–engineered for shallow products like apparel, books, artwork, and framed items. Each bundle of 25 ships flat, maximizing warehouse efficiency and slashing storage overhead. Reliable single-wall construction rated for safe stacking and consistent protection.
Boxes - Corrugated

19x12x3 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 19123

19 x 12 x 3 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$53.98 / BUNDLE
IN STOCK ECT-32 single wall kraft corrugated boxes sized 18.5" x 12.5" x 12" deliver reliable mid-range strength for typical warehouse and fulfillment operations. This 20-box bundle offers standard stacking performance and efficient freight optimization for e-commerce and logistics applications.
Boxes - Corrugated

18.5x12.5x12 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 181212R

18 1/2 x 12.5 x 12 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$47.92 / BUNDLE
IN STOCK ECT-32 kraft corrugated shipping boxes deliver dependable mid-weight protection for standard industrial shipments. These 18.5" x 12.5" x 10" kraft cartons are engineered for reliable stacking performance and efficient freight utilization. Sold as a bundle of 20–recyclable, cost-effective packaging solution.
Boxes - Corrugated

18.5x12.5x10 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 181210R

18 1/2 x 12.5 x 10 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$38.19 / BUNDLE
IN STOCK ECT-32 kraft corrugated boxes in 18.5x12.5x8 dimensions deliver proven stacking strength for mid-weight industrial shipments. Sold in bundles of 25 to maximize freight efficiency and reduce per-unit costs. Fully recyclable kraft construction meets sustainability goals without sacrificing performance.
Boxes - Corrugated

18.5x12.5x8 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18128R

18 1/2 x 12.5 x 8 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$52.04 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated boxes sized 18 1/2" × 12 1/2" × 7" for reliable mid-weight shipping and storage. Each bundle includes 25 boxes–reducing per-unit costs and freight complexity for warehouse managers. Recyclable kraft construction meets sustainability standards.
Boxes - Corrugated

18.5x12.5x7 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18127

18 1/2 x 12.5 x 7 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$41.34 / BUNDLE
IN STOCK Heavy-duty ECT-32 kraft corrugated shipping boxes in standard 18.5x12.5x6" dimensions. Sold as a 25-box bundle to maximize volume savings and freight efficiency. Designed for mid-weight products with proven stacking performance in warehouse and fulfillment operations.
Boxes - Corrugated

18.5x12.5x6 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18126R

18 1/2 x 12.5 x 6 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$38.97 / BUNDLE
IN STOCK Reliable ECT-32 kraft corrugated boxes in 18x13x12" dimensions designed for mid-weight shipping and storage. Sold as a bundle of 25 units for volume savings and consistent inventory management. Fully recyclable and optimized for warehouse efficiency.
Boxes - Corrugated

18x13x12 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 181312

18 x 13 x 12 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$61.49 / BUNDLE
IN STOCK Premium ECT-32 kraft corrugated boxes sized 18" × 13" × 5" for shallow products and efficient shipping. Bundle of 25 units ships flat to maximize warehouse space and minimize freight spend. Perfect for apparel, books, artwork, and picture frames.
Boxes - Corrugated

18x13x5 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 18135

18 x 13 x 5 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$68.96 / BUNDLE
IN STOCK Heavy-duty 21x10x10" corrugated shipping boxes engineered for demanding warehouse and fulfillment operations. ECT-32 kraft construction delivers proven stackability and freight efficiency in a convenient bundle of 25. Recyclable kraft material reduces your environmental footprint while maintaining rigorous strength standards.
Boxes - Corrugated

21x10x10 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 211010

21 x 10 x 10 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$43.21 / BUNDLE
IN STOCK Ship smarter with these 19x12x4 ECT-32 kraft corrugated boxes–engineered for shallow products like apparel, books, and artwork. Bundle of 25 ships flat to maximize your warehouse efficiency and cut freight expenses. Reliable single-wall construction that stacks securely in transit.
Boxes - Corrugated

19x12x4 ECT-32 Kraft Corrugated Shipping Boxes 25-Pack

PN: 19124

19 x 12 x 4 in ECT-32 Single Wall Corrugated 25 PER BUNDLE
$37.48 / BUNDLE
IN STOCK Versatile 18.5" x 12.5" x 14" kraft corrugated shipping boxes built from ECT-32 single-wall material–ideal for mid-weight products. Sold in bundles of 20 for volume efficiency. Fully recyclable and engineered for reliable stacking performance in warehouse and fulfillment operations.
Boxes - Corrugated

18.5x12.5x14 ECT-32 Kraft Corrugated Shipping Boxes 20-Pack

PN: 181214

18 1/2 x 12.5 x 14 in ECT-32 Single Wall Corrugated 20 PER BUNDLE
$46.40 / 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 ->