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.
In Stock SKU: HD402020DW

40x20x20 ECT-48 Double Wall Corrugated Boxes - Heavy-Duty Shipping, Bundle of 5

40x20x20 ECT-48 Double Wall Corrugated Boxes - Shipping, Bundle of 5. Use this item for products that match the listed inside dimensions, box style, board strength when shown, and bundle quantity. Listed specs include size 40 x 20 x 20 in; material corrugated; sold as 20 box. Confirm SKU, pack count, price, availability, and checkout delivery before ordering.

$67.18 / BUNDLE (5 PER BUNDLE)
Order timing and shipping options show at checkout
Delivery shown at checkout
Confirm this specSKU HD402020DW

40x20x20 ECT-48 Double Wall Corrugated Boxes - Shipping, Bundle of 5: compare by inside dimensions, board strength when listed, style, and bundle quantity. Confirm SKU, sold-as unit, price, availability, and checkout delivery before ordering.

Size
40 x 20 x 20 in
Material
ECT-48 Double Wall Corrugated
Color
Kraft
Sold as
BUNDLE (5 PER BUNDLE)
Freight class
125
Material
ECT-48 Double Wall Kraft Corrugated
Dimensions
40" L x 20" W x 20" H
Wall Construction
Double Wall
Good fit for

Good fit for products that match the listed inside dimensions, box style, board strength when shown, and bundle quantity. Confirm inside dimensions, board strength if listed, box style, assembled fit, and how much void fill or protection the item needs.

Check before ordering

Confirm size, material, fit, sold-as quantity, SKU, price, availability, and checkout delivery before ordering.

Buying a larger quantity, matching this to an existing SKU, or setting up a repeat order?

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Secure checkout | Delivery shown at checkout |

Best For

Good fit for products that match the listed inside dimensions, box style, board strength when shown, and bundle quantity. Confirm inside dimensions, board strength if listed, box style, assembled fit, and how much void fill or protection the item needs.

How to Choose the Right Packaging

The buying decision should be based on the exact inside dimensions, board strength when listed, style, and bundle quantity, not the category name alone. Use the current product page as the source of truth for SKU, variant, price, availability, sold-as unit, and checkout delivery.

Specs at a Glance

MaterialECT-48 Double Wall Kraft Corrugated
Dimensions40" L x 20" W x 20" H
Wall ConstructionDouble Wall
Bundle Quantity5 Cartons per Bundle (Ships Flat)
RecyclableYes
Common Use Cases
  • Packing ecommerce orders, replenishment shipments, parts, office supplies, or warehouse transfers.
  • Comparing box sizes for product fit, storage space, parcel cost, and reorder quantity.
  • Reordering by exact product link, SKU, or sold-as quantity.
  • Adding the item to a mixed-SKU or recurring supply request when quantity, delivery ZIP code, or timing matters.
What You'll Receive
  • This listing is sold as 20 box. Check the current product page for variant details, price, availability, and pack count before checkout.
Shipping & Packaging

Delivery options and timing are shown at checkout based on item and destination. For larger quantities, freight-sensitive items, mixed-SKU needs, or recurring supply, send the product link or SKU, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

Frequently Bought Together

Related supplies

Frequently Asked Questions

ECT-48 double wall cartons support 5-tier stacking under standard warehouse conditions (approximately 60-80 lbs per box load depending on contents). For precise weight calculations, consult our stacking capacity guide based on your specific product density.

Flat-shipped cartons occupy roughly 75% less pallet space than assembled boxes, reducing your inbound freight costs significantly. A typical pallet holds 500+ flat cartons versus 80-100 assembled units, directly improving your logistics ROI.

Yes. ECT-48 double wall provides excellent weather and impact resistance for multi-leg shipments. For extended outdoor exposure, consider adding protective wrap or moisture barriers to safeguard contents.

Yes. Packrift offers digital and flexographic printing options for bulk orders. Contact our sales team with your volume and design specifications for customization quotes and lead times.

Technical Specifications

Wall ConstructionDouble Wall
Bundle Quantity5 Cartons per Bundle (Ships Flat)
RecyclableYes
Color Kraft
Strength / Material ECT-48 Double Wall Corrugated
Dimensions (Internal) 40"" × 20"" × 20"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

60.5" × 41.25" × 3.0" (L × W × D)

Unit of Measure

BUNDLE

Qty Per Shipping Unit

5 PER BUNDLE

LTL Freight Class

Class 125

Delivery Method

Shown at checkout

ORDER SUPPORT

Product Support

We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.

Secure checkout LTL freight available on case/skid orders

Buyer guides

Pick the right material, size, and gauge before you order.

Related products Shop corrugated boxes

Compare inside dimensions, board grade, style, and bundle quantity.

 Buying route Use the box size calculator

Use this tool when item size, void fill, or storage space affects the carton.

Corrugated Box Buying Guide

How to pick Single, Double, or Triple wall for your weight and stack requirements.

Read Guide →

How to Measure for Shipping

Measure inside and outside dimensions before choosing shipping supplies or estimating DIM-weight costs.

Read Guide →