
Stock Boxes
- Custom-sized boxes engineered to exact dimensions
- Low minimums starting at just 100 pieces
- ECT ratings: 32, 44, 48 ECT available
ASTM D5118 Certified
ASTM D4727 Certified
CSA Class Code A Certified
Cardboard Boxes 4U offers a comprehensive range of corrugated boxes for businesses across Wisconsin and the USA. From standard RSC shipping boxes to military-spec, gaylord, telescoping, multi-depth, and custom-printed cartons, their lineup covers e-commerce, industrial, moving, and specialty packaging needs with stock and made-to-order options.

















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Cardboard Boxes 4U offers over 1,300 corrugated box sizes and styles including standard RSC shipping boxes, gaylord bulk boxes, telescoping boxes, multi-depth boxes, military-spec boxes, flat boxes, long boxes, file storage boxes, moving boxes, white corrugated boxes, and CNC bale forms for custom converting operations.
Talk to our experts for custom solutions and tailored guidance.

Stock and custom RSC, multi-depth, and white corrugated boxes built for fast-moving e-commerce fulfillment and branded retail packaging.

Triple wall, gaylord, and CNC bale corrugated solutions for heavy-duty palletized freight and large-volume industrial cargo shipments.

ASTM D5118-compliant V3C and W5C weather-resistant corrugated boxes engineered for government, defense, and military packaging requirements.

Specialty moving boxes including wardrobe, dish pack, mattress, and multi-depth cartons designed for safe household and office relocation.
Talk to our experts for custom solutions and tailored guidance.
With over 1,300 corrugated box configurations available in stock and custom orders fulfilled in 7–10 days, you get the right box without delays.
ASTM D5118 and D4727 compliant boxes including V3C, W5C, and V11C grades serve government, military, and aerospace packaging requirements reliably.
From fanfold CNC bales to Korrvu suspension packaging, solutions are engineered to minimize dimensional weight charges and protect fragile goods.
Submit your dimensions and requirements and our team will respond with stock availability, custom pricing, and lead time details promptly.
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.