ASTM D5118 certified

ASTM D5118 Certified

ASTM D4727 certified

ASTM D4727 Certified

CSA Class Code A certified

CSA Class Code A Certified

Long Cardboard Boxes 1200mm

Long Cardboard Boxes 1200mm category features extended-length corrugated packaging solutions ideal for shipping oversized, elongated, and irregularly shaped items. Products include telescoping, stock, and custom-size boxes engineered for durability, with options ranging from single-wall to heavy-duty triple-wall construction for diverse industrial, e-commerce, and specialty applications.

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

Our Range of Products

Telescoping Boxes

Telescoping Boxes

  • 2-piece telescoping design for tall items
  • Heavy-duty 200#/ECT-32 kraft corrugated
  • F.O.L. bottom for extra structural strength
V3C Boxes ASTM D5118

V3C Boxes ASTM D5118

  • Pre-printed Fragile & Up Arrow handling labels
  • 350# burst-rated dish pack protection
  • Kits available for 45 to 100 box moves
Stock Boxes

Stock Boxes

  • Custom sizes engineered to exact dimensions
  • 32, 44 & 48 ECT ratings available
  • Low MOQ starting at 100 pieces per order
Bulk Cargo Boxes / Gaylord Boxes

Bulk Cargo Boxes / Gaylord Boxes

  • 300+ sizes ready for immediate shipment
  • 200#/ECT-32 white corrugated construction
  • Custom print options for branded packaging
Hazardous Material Boxes

Hazardous Material Boxes

  • MIL-SPEC weather-resistant V3c & W5c boxes
  • ASTM D5118 compliant for hazmat shipping
  • Single & double wall options available
Military Boxes

Military Boxes

  • Custom-sized to your exact specifications
  • ASTM D5118 MIL-SPEC compliant boxes
  • Bulk & Gaylord options for large shipments

Showing 1 to 6 of 7 results

Frequently Asked Questions

What sizes are available for long cardboard boxes at 1200mm?

Long cardboard boxes at 1200mm (approximately 47 inches) are available in a variety of widths and depths. Telescoping box sets are offered in inner and outer pairs, with examples like 6x6x72 inches. Custom sizes can be made to order by contacting the sales team at 888-333-9513 to specify exact dimensions.

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

What material strength is recommended for shipping long items?

Can I order custom-length cardboard boxes beyond standard stock sizes?

Are long cardboard boxes suitable for e-commerce shipping?

Do these boxes comply with carrier shipping requirements?

What industries commonly use long cardboard boxes at 1200mm?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Sporting Goods & Recreation

Sporting Goods & Recreation

Long boxes ideal for shipping fishing rods, golf clubs, skis, and other extended sports equipment.

Home Furnishings & Décor

Home Furnishings & Décor

Extended-length boxes used for curtain rods, blinds, lamps, and framed artwork packaging and shipping.

E-Commerce & Retail Fulfillment

E-Commerce & Retail Fulfillment

Custom and stock long boxes streamline oversized product fulfillment, reducing dimensional weight charges.

Industrial & Manufacturing

Industrial & Manufacturing

Heavy-duty long boxes support packaging of pipes, tubing, metal rods, and industrial component shipments.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Industrial Shippers & E-Commerce Businesses Choose Cardboard Boxes 4 U

1,300+ Box Sizes in Stock

Access an extensive inventory of over 1,300 corrugated box sizes, including hard-to-find long and specialty configurations ready for immediate shipment.

Government-Grade Compliance

Products meet ASTM D5118, ASTM D4727, WRA, and MPA standards, ensuring regulatory-compliant packaging for military, government, and industrial applications.

Custom Sizes & Low Minimums

Order custom-engineered long boxes starting at just 100 pieces, with full-color print options and a dedicated team for tailored packaging solutions.

Get a Quote for Long Cardboard Boxes Today

Submit your requirements and our packaging specialists will respond with sizing options, pricing, and lead times within one business day.

Contact Us Today

To help us assist you faster, please include the reason for your message so the relevant team can reach out as soon as possible.