In Stock SKU: 644

6x4x4 ECT-32 Kraft Corrugated Boxes - Standard Strength Shipping, Bundle of 25

Dependable 6x4x4 corrugated shipping boxes with ECT-32 single-wall construction deliver reliable protection for small to medium items. These kraft cardboard boxes stack efficiently in warehouse environments and offer proven performance at an economical price point. Order in bundles of 25 and reduce per-unit packaging costs.

$8.03 / BUNDLE (25 PER BUNDLE)
Order timing and delivery options show at checkout
UPS Eligible — Ground & Freight
Confirm this specSKU 644
Size
6 x 4 x 4 in
Material
ECT-32 Single Wall Corrugated
Color
Kraft
Sold as
BUNDLE (25 PER BUNDLE)
Freight class
125
Material
ECT-32 Single Wall Corrugated Kraft
Dimensions
6" L x 4" W x 4" H
Color
Natural Kraft Brown
Good fit for

Ideal for warehouse managers and fulfillment directors shipping small to medium items requiring reliable containment. The 6 x 4 x 4" kraft corrugated box delivers ECT-32 strength for standard weight products, making it use for e-commerce fulfillment, retail distribution, and general shipping operations where cost efficiency meets performance.

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Confirm inside dimensions, board grade, bundle quantity, and product fit.

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Best For

Ideal for warehouse managers and fulfillment directors shipping small to medium items requiring reliable containment. The 6 x 4 x 4" kraft corrugated box delivers ECT-32 strength for standard weight products, making it use for e-commerce fulfillment, retail distribution, and general shipping operations where cost efficiency meets performance.

How to Choose the Right Packaging

ECT-32 single-wall construction provides proven stacking strength and edge crush durability for typical industrial shipping applications. Kraft material offers excellent printability for branding while maintaining full recyclability, reducing waste management costs and supporting sustainability compliance requirements.

Specs at a Glance

MaterialECT-32 Single Wall Corrugated Kraft
Dimensions6" L x 4" W x 4" H
ColorNatural Kraft Brown
Bundle Size25 Boxes per Bundle
RecyclableYes
Common Use Cases
  • E-commerce order fulfillment and retail shipping Small parts and component distribution Subscription box and direct-to-consumer packaging Food service and specialty item packaging Warehouse storage and internal logistics
What You'll Receive
  • 25 flat, knock-down 6 x 4 x 4" corrugated boxes Ready for rapid assembly and packing operations
Shipping & Packaging

Boxes ship flat in bundled format to maximize freight efficiency and reduce dimensional weight charges. Standard palletization supports high-volume purchasing and organized receiving workflows.

Frequently Bought Together

Bundle & Save 5%

Frequently Asked Questions

ECT-32 (Edge Crush Test) indicates the box can withstand 32 pounds of pressure per linear inch when crushed. This is standard strength for light-to-medium weight products, ideal for apparel, electronics, books, and general merchandise. For heavier items, consider ECT-44 or ECT-48 alternatives.

ECT-32 single-wall supports typical 3-4 carton stacks in warehouse storage and transit without product damage. Actual stacking height depends on box fill weight and environmental conditions. Always test with your specific product load for optimal safety margins.

Yes. The 6 x 4 x 4" dimensions fit most conveyor systems and automated case-packing lines used in mid-sized fulfillment operations. Verify with your equipment manufacturer for gating and sensor specifications.

Bundled purchasing of 25 units reduces per-unit cost versus individual box purchases. Contact our account team for tiered pricing on orders exceeding 5,000 units or for regular monthly subscriptions with freight optimization.

Technical Specifications

MaterialECT-32 Single Wall Corrugated Kraft
Dimensions6" L x 4" W x 4" H
ColorNatural Kraft Brown
Bundle Size25 Boxes per Bundle
RecyclableYes
Color Kraft
Strength / Material ECT-32 Single Wall Corrugated
Dimensions (Internal) 6"" × 4"" × 4"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

10.25" × 8.75" × 7.75" (L × W × D)

Unit of Measure

BUNDLE

Qty Per Shipping Unit

25 PER BUNDLE

LTL Freight Class

Class 125

Carrier Eligibility

UPS Ground & Freight Eligible

TRUST & RELIABILITY

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