ASTM D5118 certified

ASTM D5118 Certified

ASTM D4727 certified

ASTM D4727 Certified

CSA Class Code A certified

CSA Class Code A Certified

Corrugated Box Manufacturers in Wisconsin

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.

Stock Boxes
Bulk Cargo Boxes / Gaylord Boxes
Telescoping Boxes
V3C Boxes ASTM D5118
Sheets & Pads
Military Boxes
Hazardous Material Boxes
Moving Boxes

Our Range of Products

Stock Boxes

Stock Boxes

  • Custom-sized boxes engineered to exact dimensions
  • Low minimums starting at just 100 pieces
  • ECT ratings: 32, 44, 48 ECT available
Bulk Cargo Boxes / Gaylord Boxes

Bulk Cargo Boxes / Gaylord Boxes

  • 300+ stock sizes ready for immediate shipping
  • 200#/ECT-32 rated for durable protection
  • Custom printed branding options available
Telescoping Boxes

Telescoping Boxes

  • 2-piece adjustable fit for tall, odd-shaped items
  • Heavy-duty 200#/ECT-32 kraft construction
  • F.O.L. bottom for added structural integrity
V3C Boxes ASTM D5118

V3C Boxes ASTM D5118

  • Pre-printed fragile & destination panels included
  • Specialty boxes: wardrobe, dish pack, mattress
  • 350# burst-rated dish pack box construction
Sheets & Pads

Sheets & Pads

  • Pre-scored sides for easy height adjustment
  • 80 sizes from 4x4x4" to 36x36x36" available
  • Heavy-duty variants for superior stacking strength
Military Boxes

Military Boxes

  • MIL-SPEC weather-resistant V3c & W5c boxes
  • ASTM D5118 compliant for military applications
  • Custom-sized corrugated made to order

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Frequently Asked Questions

What types of corrugated boxes does Cardboard Boxes 4U offer in Wisconsin?

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.

Do you offer custom-sized corrugated boxes?

What are military-spec corrugated boxes and when are they needed?

What is the difference between single wall and double wall corrugated boxes?

Can I order corrugated boxes with custom printing?

What is a gaylord box and what are its common uses?

What is a multi-depth corrugated box and how does it save costs?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

E-Commerce & Retail

E-Commerce & Retail

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

Industrial & Manufacturing

Industrial & Manufacturing

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

Military & Government

Military & Government

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

Moving & Relocation

Moving & Relocation

Specialty moving boxes including wardrobe, dish pack, mattress, and multi-depth cartons designed for safe household and office relocation.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why E-Commerce, Industrial & Government Buyers Choose Cardboard Boxes 4U

1,300+ Box Sizes, In Stock & Custom

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.

Military & Specialty Spec Compliance

ASTM D5118 and D4727 compliant boxes including V3C, W5C, and V11C grades serve government, military, and aerospace packaging requirements reliably.

Engineered for Protection & Cost Savings

From fanfold CNC bales to Korrvu suspension packaging, solutions are engineered to minimize dimensional weight charges and protect fragile goods.

Get a Custom Quote or Find Your Box Today

Submit your dimensions and requirements and our team will respond with stock availability, custom pricing, and lead time details promptly.

Contact Us Today

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