16" x 16" x 16" Heavy Duty Double Wall Shipping Boxes – 48 ECT Corrugated Cardboard

2 Boxes per Order of 1 

When maximum protection matters, choose our 16 x 16 x 16 double wall shipping boxes, engineered with extra-strong 48 ECT corrugated cardboard for superior durability and stacking strength. These heavy-duty cartons are designed to protect heavier, fragile, or high-value items during shipping, storage, and moving.

Manufactured in the USA using sustainably sourced kraft corrugated material, these boxes deliver professional-grade performance trusted by ecommerce businesses, warehouses, and shipping operations nationwide.

📦 Product Specifications

• Inside Dimensions: 16" x 16" x 16" (L x W x H)

• Material: Double wall corrugated cardboard

• Strength Rating: 48 ECT (Extra Crush Test)

• Wall Thickness: 1/3" heavy-duty kraft corrugated board

• Box Weight: 2.6 lbs each

• Color: Natural kraft brown

• Construction: Double wall for maximum durability

• Assembly: Ships flat; easy assembly required (tape not included)

• Recyclable: 100% recyclable and eco-friendly ♻️

• Country of Manufacture: Made in the USA 🇺🇸

All dimensions are internal measurements.

💪 Maximum Strength Double Wall Protection

Built with double wall corrugated construction, these boxes provide significantly greater compression resistance and puncture protection compared to standard single wall cartons. Perfect for heavier shipments and fragile items requiring extra protection.

Ideal for:

• Heavy products

• Fragile items

• High-value shipments

• Dense or compact goods

• Long-distance shipping

🚚 Designed for Heavy-Duty Shipping

Engineered to perform across all shipping environments:

• UPS, FedEx, and USPS shipping

• Freight and palletized shipments

• Air cargo transport

• Warehouse storage and stacking

• Moving and relocation

The 48 ECT rating ensures excellent stacking strength and protection during transit and storage.

📦 Ideal Applications

Perfect for shipping and storing:

• Electronics and equipment

• Automotive parts

• Tools and hardware

• Industrial components

• Kitchen appliances

• Bulk inventory

• Moving and storage items

📦 Ships Flat for Storage Efficiency

Boxes ship flat to reduce storage space requirements and lower shipping costs. Quick assembly allows fast packing and fulfillment.

🌱 Sustainable and Responsible Packaging

Made from recyclable corrugated cardboard using responsibly sourced materials. Strong protection with environmentally conscious design.

⭐ Why Choose Our Double Wall Shipping Boxes?

• Heavy-duty 48 ECT double wall strength

• Extra thick 1/3" corrugated construction

• Superior stacking and crush resistance

• Made in the USA quality

• Ideal for heavy and fragile shipments

• Ships flat for storage efficiency

• Fully recyclable and eco-friendly