
Long Corrugated Boxes
- 63+ long box sizes up to 48" length
- Ideal for rods, pipes, clubs & posters
- Affordable pricing starting at $0.91 per unit
ASTM D5118 Certified
ASTM D4727 Certified
CSA Class Code A Certified
Sustainable folding corrugated cardboard boxes from Cardboard Boxes 4U offer eco-friendly, recyclable packaging across 1,300+ sizes and configurations. From standard RSC and multi-depth boxes to specialty military-spec and bulk Gaylord containers, these solutions serve e-commerce, industrial, moving, and government applications with reliable structural performance.
















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Yes. Corrugated cardboard is one of the most recycled packaging materials in the world. It is made from renewable wood fiber, is fully recyclable after use, and breaks down naturally. Cardboard Boxes 4U's corrugated boxes are recyclable, supporting sustainable packaging practices for businesses committed to reducing environmental impact.
Talk to our experts for custom solutions and tailored guidance.

Right-sized RSC, flat, and multi-depth boxes minimize dimensional weight charges and optimize e-commerce fulfillment throughput.

Triple wall, Gaylord, and bulk cargo boxes handle palletized freight and high-volume industrial cargo shipments reliably.

Specialty wardrobe, dish pack, mirror, mattress, and multi-depth boxes protect household goods during residential and commercial moves.

MIL-SPEC V3C and W5C corrugated boxes compliant with ASTM D5118 meet stringent government and defense procurement packaging requirements.
Talk to our experts for custom solutions and tailored guidance.
With over 1,300 stock corrugated box sizes available, you get the exact fit for your product — reducing void fill, dimensional weight charges, and waste.
Cardboard Boxes 4U specializes in ASTM D5118, ASTM D4727, and MIL-SPEC corrugated configurations including V3C, W5C, and V11C grades for regulated applications.
From branded retail cartons to made-to-order specialty boxes, custom production runs are turned around in as few as 7–10 business days with low 100-piece minimums.
Submit your requirements and our packaging specialists will respond with sizing, spec, and pricing options tailored to your order volume and application.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.
To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.