
V3C Boxes ASTM D5118
- Pre-printed 'Fragile' labels & write-on panels
- Specialty boxes: wardrobe, dish, mattress, bike
- Economy to 350# double wall construction options
ASTM D5118 Certified
ASTM D4727 Certified
CSA Class Code A Certified
Cardboard Boxes 4U serves North Carolina businesses with a comprehensive range of corrugated boxes — from standard RSC and multi-depth shipping boxes to military-spec, gaylord, and custom-sized containers. Products meet ECT, ASTM D5118, and MPA/WRA standards, supporting e-commerce, industrial, moving, and government packaging needs.

















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Cardboard Boxes 4U offers over 1,300 corrugated box configurations for North Carolina businesses, including standard RSC, multi-depth, gaylord, telescoping, flat, long, white, custom-printed, military-spec, and hazardous material boxes — in single, double, and triple-wall construction.
Talk to our experts for custom solutions and tailored guidance.

Stock and custom RSC boxes, white corrugated, and flat mailers optimized for e-commerce fulfillment and retail shipments.

Triple-wall gaylord bins, bulk cargo boxes, and ECT-rated containers for heavy-duty freight and warehouse storage.

ASTM D5118-compliant V3C and W5C weatherized corrugated boxes for government and defense specification packaging.

Specialty moving boxes including wardrobe, dish pack, mirror, and multi-depth cartons for residential and commercial moves.
Talk to our experts for custom solutions and tailored guidance.
From small mailers to triple-wall gaylords, our vast inventory ensures you find the exact corrugated box size for any shipping or storage application.
We stock V3C, W5C, and V11C government-spec corrugated meeting ASTM D5118 and ASTM D4727 standards — critical for defense and regulated industries.
Custom-engineered corrugated boxes built to exact dimensions with full-color print options, low MOQs of 100 pieces, and fast nationwide turnaround.
Submit your box dimensions, quantities, and application details. Our team will respond with pricing and samples within one business day.
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.