ASTM D5118 certified

ASTM D5118 Certified

ASTM D4727 certified

ASTM D4727 Certified

CSA Class Code A certified

CSA Class Code A Certified

48 Inch Long Cardboard Boxes

48 inch long cardboard boxes are corrugated packaging solutions designed for shipping and storing elongated items such as rods, pipes, golf clubs, posters, and artwork. Available in standard, telescoping, and custom configurations, these long boxes offer reliable protection for oversized products across e-commerce, industrial, and specialty shipping applications.

Long Corrugated Boxes
Telescoping Boxes
Shipping Boxes
V3C Boxes ASTM D5118
Stock Boxes
Bulk Cargo Boxes / Gaylord Boxes
Gaylord Boxes
White Corrugated Boxes
Military Boxes
Hazardous Material Boxes
Moving Boxes

Our Range of Products
Long Corrugated Boxes

Long Corrugated Boxes

  • 63+ sizes from 10" to 48" length
  • Corrugated build protects narrow items
  • Per-unit pricing starting at $0.91
Telescoping Boxes

Telescoping Boxes

  • 2-piece telescoping fits irregular items
  • Heavy-duty 200#/ECT-32 kraft construction
  • F.O.L. bottom adds structural strength
Shipping Boxes

Shipping Boxes

  • 1,000+ stock sizes for instant fulfillment
  • Single, double, and triple wall options
  • Custom orders ready in 7-10 business days
V3C Boxes ASTM D5118

V3C Boxes ASTM D5118

  • Pre-printed Fragile handling instructions
  • Specialty boxes for wardrobes and mirrors
  • Moving kits from 45 to 100 boxes
Stock Boxes

Stock Boxes

  • Custom sizes engineered to exact dimensions
  • Low MOQ starting at just 100 pieces
  • Full-color custom print options available
Bulk Cargo Boxes / Gaylord Boxes

Bulk Cargo Boxes / Gaylord Boxes

  • 300+ stock sizes ready for immediate ship
  • White exterior boosts label visibility
  • Double wall 275# option for heavy loads

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Frequently Asked Questions

What sizes of 48 inch long cardboard boxes are available?

48 inch long cardboard boxes are available in a wide range of widths and depths, including popular sizes such as 48x4x4, 48x6x6, 48x8x8, and 48x12x12 inches (inside dimensions). Telescoping versions are also available in matching inner and outer sets. Custom dimensions can be ordered by phone or through an online quote request.

What items can be shipped in a 48 inch long box?

What is the difference between a standard long box and a telescoping box?

What corrugated strength options are available for 48 inch long boxes?

Can I order custom 48 inch long cardboard boxes?

Are 48 inch long cardboard boxes sold in bulk or individual quantities?

Do 48 inch long boxes meet carrier requirements for UPS or FedEx shipments?

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

Ship elongated products like posters, rods, and sporting goods securely via UPS, FedEx, or freight carriers.

Sporting Goods

Sporting Goods

Protect golf clubs, fishing rods, and ski equipment in transit with long, narrow corrugated boxes.

Industrial & Manufacturing

Industrial & Manufacturing

Package pipes, tubes, curtain rods, and other elongated industrial components for freight shipping.

Moving & Relocation

Moving & Relocation

Safely transport artwork, curtain rods, lamps, and other long household items during residential moves.

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 Shippers Choose Cardboard Boxes 4 U

1,300+ Long Box Sizes In Stock

With over 1,300 corrugated box sizes including 48-inch long configurations, you get the exact fit without custom lead times or extra cost.

Military-Grade Compliance Standards

Our boxes meet ASTM D5118, ASTM D4727, and government spec standards, ensuring your shipments satisfy the most demanding regulatory requirements.

Custom Boxes Built to Your Specs

Need a unique dimension? We manufacture custom corrugated boxes with 7–10 day lead times and low minimum order quantities starting at 100 pieces.

Get the Right 48" Box — Request a Quote Today

Submit your dimensions and volume needs and our team will respond with pricing, availability, and custom options within one business day.

Contact Us Today

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