Large Cardboard Boxes (18"+)

IN STOCK Ship tall items efficiently with our 6x6x72 ECT-32 kraft corrugated boxes–15 boxes per bundle. End-loading design speeds packing; strong single-wall construction handles demanding applications from fishing rods to shelving units.
Boxes - Corrugated

6x6x72 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 6672

6 x 6 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$67.96 / BUNDLE
IN STOCK Ship tall items efficiently with our 4x4x74" ECT-32 kraft corrugated boxes. End-loading design enables quick insertion and sealing of long products like rods, shelving, and trophies. Each bundle contains 10 boxes shipped flat to maximize freight efficiency and minimize storage footprint.
Boxes - Corrugated

4x4x74 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 4474

4 x 4 x 74 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$55.67 / BUNDLE
IN STOCK Maximize tall item shipping with adjustable ECT-32 telescoping inner boxes. The 8x8x72" kraft corrugated carton features a two-piece design that compresses for freight efficiency when empty and expands to secure irregularly shaped products. Sold in bundles of 15–pair with matching T8872OUTER outer boxes to create a complete telescoping set.
Boxes - Corrugated

8x8x72 ECT-32 Kraft Corrugated Telescoping Inner Box 15-Pack

PN: T8872INNER

8 x 8 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$154.27 / BUNDLE
IN STOCK Adjustable two-piece telescoping outer boxes designed for tall and irregularly shaped items. ECT-32 kraft corrugated construction with full overlap (FOL) bottom delivers superior stacking strength and freight efficiency. Sold as a bundle of 15–pair with T8872INNER cartons to complete your tall box solution.
Boxes - Corrugated

8.5x8.5x72 ECT-32 Telescoping Outer Boxes 15-Pack

PN: T8872OUTER

8 1/2 x 8 1/2 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$163.61 / BUNDLE
IN STOCK 10x10x72" Telescoping Inner Boxes, ECT-32 Kraft, Bundle of 15
Boxes - Corrugated

10x10x72 ECT-32 Kraft Telescoping Inner Boxes 15-Pack

PN: T101072INNER

10 x 10 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$184.65 / BUNDLE
IN STOCK 10x10x72 ECT-32 Kraft Corrugated Boxes - Bundle of 15
Boxes - Corrugated

10x10x72 ECT-32 Kraft Corrugated Shipping Boxes 15-Pack

PN: 101072

10 x 10 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$167.32 / BUNDLE
IN STOCK 10.5x10.5x72" Telescoping Outer Kraft Corrugated Box ECT-32 - Bundle of 15
Boxes - Corrugated

10.5x10.5x72 ECT-32 Kraft Telescoping Outer Corrugated Box 15-Pack

PN: T101072OUTER

10 1/2 x 10 1/2 x 72 in ECT-32 Corrugated 15 PER BUNDLE
$195.83 / BUNDLE
IN STOCK Maximize vertical shipping efficiency with adjustable ECT-32 kraft telescoping outer boxes sized 12.5x12.5x72". The two-piece adjustable design accommodates tall and irregularly shaped items while FOL bottom construction delivers superior stacking strength. Sold in bundles of 15–pair with matching inner cartons for complete packaging solution.
Boxes - Corrugated

12.5x12.5x72 ECT-32 Telescoping Outer Boxes 15-Pack

PN: T121272OUTER

12 1/2 x 12 1/2 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$231.37 / BUNDLE
IN STOCK Adjustable two-piece telescoping inner boxes designed for tall and irregularly shaped items up to 72" in height. Manufactured from ECT-32 kraft corrugated with full overlap (FOL) bottom construction for maximum stacking strength. Sold as a 15-pack bundle–pair with T121272OUTER to complete your shipping solution.
Boxes - Corrugated

12x12x72 ECT-32 Kraft Telescoping Inner Boxes 15-Pack

PN: T121272INNER

12 x 12 x 72 in ECT-32 Single Wall Corrugated 15 PER BUNDLE
$219.30 / BUNDLE
IN STOCK Ship tall items efficiently with these 12x12x72 corrugated boxes featuring ECT-32 kraft construction. End-loading design simplifies insertion and sealing. Sold as a bundle of 10 and shipped flat to maximize your warehouse space and freight efficiency.
Boxes - Corrugated

12x12x72 ECT-32 Kraft Corrugated Shipping Boxes 10-Pack

PN: 121272

12 x 12 x 72 in ECT-32 Single Wall Corrugated 10 PER BUNDLE
$100.93 / BUNDLE
IN STOCK Create custom insulated shipping containers with these 24x18x18 insulated box liners featuring aluminum foil exterior and 3/16" bubble lining. One-piece gusseted design sets up quickly for food-safe, leak-resistant protection. Sold as a case of 10 liners.
Boxes - Corrugated

24x18x18 Insulated Box Liners Aluminum Foil 10/Case

PN: INL2418

24 x 18 x 18 in Aluminum Foil Exterior / 3/16" Bubble Lining 10 PER CASE
$185.12 / CASE
IN STOCK Create professional insulated shipping containers with these one-piece gusseted 20x20x20 liners. Each case includes 10 liners featuring aluminum foil exterior and 3/16" bubble lining for superior thermal protection. FDA-compliant materials ensure safe food contact and leak resistance for temperature-sensitive products.
Boxes - Corrugated

20x20x20 Aluminum Foil Insulated Box Liners 10/Case

PN: INL202020

20 x 20 x 20 in Aluminum Foil Exterior / 3/16" Bubble Lining 10 PER CASE
$198.64 / CASE
IN STOCK Create professional insulated shipping containers with our 18x18x18 insulated box liners–featuring aluminum foil exterior and 3/16" bubble lining for maximum thermal protection. One-piece gusseted design sets up in seconds, and FDA-compliant materials ensure food-safe compliance. Sold as a case of 10.
Boxes - Corrugated

18x18x18 Aluminum Foil Bubble Lined Insulated Box Liners 10/Case

PN: INL181818

18 x 18 x 18 in Aluminum Foil Exterior / 3/16" Bubble Lining 10 PER CASE
$173.12 / CASE
IN STOCK Protect temperature-sensitive cargo with our 48x40x60 Cool Barrier Bubble Pallet Cover–featuring aluminum foil exterior and 3/16" bubble lining for superior thermal and moisture protection. Sold as a case of 5, this insulated pallet cover is ideal for food, pharmaceuticals, and climate-controlled shipments. Simply drape over your pallet and secure with stretch film.
Boxes - Corrugated

48x40x60 Cool Barrier Bubble Pallet Cover 5/Case

PN: INC484060

48 x 40 x 60 in Aluminum Foil Exterior / 3/16" Bubble Lining 5 PER CASE
$247.06 / CASE
IN STOCK Protect temperature-sensitive goods during transit with this 48" x 40" x 48" Cool Barrier Bubble Pallet Cover featuring aluminum foil exterior and 3/16" bubble lining. Maintains integrity in humid conditions and handles food-grade shipments with confidence. Case includes 5 covers; simply wrap pallet and secure with stretch film.
Boxes - Corrugated

48x40x48 Aluminum Foil Bubble Pallet Cover 5/Case

PN: INC4840

48 x 40 x 48 in Aluminum Foil Exterior / 3/16" Bubble Lining 5 PER CASE
$193.44 / CASE
IN STOCK Ship or store clothing on hangers without removal–Packrift's wardrobe packing boxes eliminate folding, wrinkles, and damage. Each case of 3 includes 20x20x45" corrugated shipping cartons plus hanger bars. ECT-48 double wall construction handles repeated use and rough handling.
Boxes - Corrugated

20x20x45 ECT-48 Wardrobe Packing Boxes 3/Case

PN: WARDCOMBO

20 x 20 x 45 in ECT-48 Double Wall Corrugated 3 PER CASE
$69.25 / CASE
IN STOCK Secure your legal-size files with BANKERS BOX® String & Button File Storage Boxes (24" x 15" x 10.5"). Built from durable 250# single-wall corrugated with pre-printed labeling areas and reliable string-button closure that keeps contents protected even if boxes overturn. Sold in convenient case quantities of 12.
Boxes - Corrugated

24x15x10.5 Legal File Storage Boxes 12/Case

PN: FSB680

24 x 15 x 10 1/2 in 250# Single Wall Corrugated 12 PER CASE
$278.24 / CASE
IN STOCK Store letter and legal-size files securely with BANKERS BOX® string and button file storage boxes. These 24x12x10.25" corrugated file cartons feature pre-printed content identification areas and write-on labeling zones on two sides for quick organization. Durable 250# single wall construction with reliable string and button closure keeps documents protected–even when boxes are stacked or shipped.
Boxes - Corrugated

24x12x10.25 String & Button File Storage Boxes 12/Case

PN: FSB640

24 x 12 x 10 1/4 in 250# Single Wall Corrugated 12 PER CASE
$262.61 / CASE
IN STOCK Keep legal-sized documents organized and protected with these 24x15x10 white corrugated file storage boxes. Featuring auto-locking bottoms and removable lids for quick access, plus pre-printed write-on panels for easy content identification. Order by the case of 12 and ship flat to maximize storage efficiency.
Boxes - Corrugated

24x15x10 ECT-32 Auto-Lock File Storage Boxes 12/Case

PN: FSB480

24 x 15 x 10 in ECT-32 Single Wall Corrugated 12 PER CASE
$172.21 / CASE
IN STOCK Durable ECT-32 white corrugated file storage boxes with automatic bottom snap assembly–no tape required. Each case of 12 includes removable lids and pre-printed write-on panels for quick identification. Ships and stores flat to maximize warehouse efficiency.
Boxes - Corrugated

24x12x10 ECT-32 White Corrugated Auto-Lock File Storage Box 12/Case

PN: FSB440

24 x 12 x 10 in ECT-32 Single Wall Corrugated 12 PER CASE
$92.87 / CASE
IN STOCK Protect high-value mirrors and glass products with these purpose-built 40x60x3.5 mirror shipping boxes. ECT-32 single-wall kraft corrugated construction assembles into a custom-fit carton from four flat pieces. Includes fragile warning labels and ships efficiently in bundles of 4.
Boxes - Corrugated

40x60x3.5 ECT-32 Kraft Mirror Boxes Corrugated

PN: 40604PCMC

40 x 60 x 3.5 in ECT-32 Single Wall Corrugated 4 PER BUNDLE
$15.67 / BUNDLE
IN STOCK Purpose-built 30x40x3.5" mirror boxes engineered for fragile glass and delicate items. Each bundle includes four flat-shipped kraft corrugated carton pieces (ECT-32 single wall) that assemble into one complete shipping container with built-in handling warnings.
Boxes - Corrugated

30x40x3.5 ECT-32 Mirror Boxes

PN: 30404PCMC

30 x 40 x 3.5 in ECT-32 Single Wall Corrugated 4 PER BUNDLE
$13.23 / 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 ->