Doublewall Boxes with Hand Holes
ECT-90 Triple Wall Boxes
Multi-Depth Boxes
Heavy-Duty Telescoping Boxes
1/2" Heavy-Duty Serrated Seal Sealer
R-KIVE® Heavy-Duty File Storage Boxes
Heavy-Duty Boxes
Corrugated Boxes
Cube Boxes
Heavy-Duty Moisture Barrier Bags
Heavy-Duty Multi-Depth Boxes
Women's Business Enterprise certified

Women's Business Enterprise

ISO 9001:2015 certified

ISO 9001:2015

Made in USA certified

Made in USA

Heavy Duty Double Wall Shipping Boxes

Heavy duty double wall shipping boxes engineered for maximum protection and durability. Our comprehensive selection includes multi-depth, telescoping, and specialized designs with ECT ratings from 32 to 90, providing superior strength for manufacturing, distribution, warehousing, and shipping applications across all industries.

Our Range of Products
Doublewall Boxes with Hand Holes

Doublewall Boxes with Hand Holes

  • Double wall protection
  • Hand hole transport
  • Heavy-duty construction
ECT-90 Triple Wall Boxes

ECT-90 Triple Wall Boxes

  • Plywood crate strength
  • ½ inch thickness
  • ECT-90 rating
Multi-Depth Boxes

Multi-Depth Boxes

  • Flexible sizing solutions
  • Various ECT ratings
  • Enhanced durability
Heavy-Duty Telescoping Boxes

Heavy-Duty Telescoping Boxes

  • Adjustable design
  • FOL bottom strength
  • Two-piece construction
1/2" Heavy-Duty Serrated Seal Sealer

1/2" Heavy-Duty Serrated Seal Sealer

  • Industrial heavy-duty
  • Use with 1/2" seals
  • Secure grip design
R-KIVE® Heavy-Duty File Storage Boxes

R-KIVE® Heavy-Duty File Storage Boxes

  • File folders fit neatly
  • ECT-32 construction
  • Letter/Legal sizes

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Frequently Asked Questions

What ECT ratings are available for heavy duty double wall boxes?

We offer ECT ratings from 32 to 90, including standard ECT-32, heavy-duty ECT-44, double wall ECT-48, and triple wall ECT-90 options.

How much stronger are heavy duty boxes compared to standard boxes?

What sizes are available for heavy duty shipping boxes?

Do you offer custom box solutions for specific applications?

What is the difference between double wall and triple wall construction?

Are these boxes suitable for hazardous materials shipping?

What is your typical delivery timeframe for bulk orders?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Manufacturing

Manufacturing

Heavy duty boxes for product packaging, parts protection, and secure distribution of manufactured goods

Distribution

Distribution

Reliable packaging solutions for distribution centers handling high-volume shipping and logistics operations

Warehousing

Warehousing

Durable storage and shipping containers for inventory management and material handling in warehouse facilities

Shipping & Logistics

Shipping & Logistics

Professional shipping solutions ensuring secure transportation of goods across nationwide delivery networks

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Heavy-duty boxes engineered for demanding shipping and storage applications. Our comprehensive line features ECT-rated corrugated construction, multi-wall options, and specialized designs for hazmat, electronics, and bulk cargo. From standard shipping to industrial-strength triple wall boxes, each solution delivers superior protection and reliability for manufacturing, distribution, and logistics operations.
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Heavy-Duty Multi-Depth Boxes

15x15x4 Double Wall Boxes Buyers

Premium 15x15x4 double wall boxes designed for heavy-duty shipping and storage applications. These reinforced corrugated boxes offer superior protection with ECT-48 construction, ideal for manufacturing, distribution, warehousing, and logistics operations requiring enhanced durability and reliable performance.
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Heavy-Duty Boxes

Triple Wall Boxes for Heavy Duty Shipping

Triple wall boxes engineered for maximum protection during heavy-duty shipping applications. These ultra-strong corrugated containers feature ECT-71+ ratings and plywood crate equivalent strength, making them ideal for transporting valuable, fragile, or heavy items. Available in multiple sizes with custom solutions.
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Why Manufacturing Companies Choose Alliance Packaging Group

Factory Direct Pricing

Lower costs than industry standard with competitive volume pricing for bulk orders and custom solutions

Immediate Availability

Over 10,000 packaging products in stock with nationwide just-in-time delivery programs for fast shipment

Complete Solutions

Single-source provider offering comprehensive packaging and material handling solutions with expert consultation

Get Expert Packaging Solutions for Your Heavy-Duty Needs

Connect with our packaging specialists for custom quotes and technical guidance on the best shipping box solutions for your application.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 770-309-1012 You can also send us a quick email at sales@apg-go.com