
Military Boxes
- MIL-SPEC V3c & W5c weather-resistant boxes
- ASTM D5118 compliant for military use
- Fully custom sizes made to your dimensions
ASTM D5118 Certified
ASTM D4727 Certified
CSA Class Code A
Military Care Boxes & Shipping Kits from Cardboard Boxes 4U are purpose-built corrugated packaging solutions designed for military, government, and specialty shipping applications. Available in MIL-SPEC compliant V3C and W5C grades, these boxes offer weather resistance, custom sizing, and ASTM D5118 compliance for demanding defense and logistics environments.




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Military boxes are commonly referred to as MIL-SPEC boxes or government specification corrugated containers. Specific corrugated grades used for military packaging include V3C, W5C, and V11C designations, which are defined under standards such as ASTM D5118. These grades denote specific board constructions and performance requirements for weather resistance and structural integrity.
Talk to our experts for custom solutions and tailored guidance.

MIL-SPEC V3C and W5C corrugated boxes used for equipment storage, transport, and government-compliant shipments.

ASTM D5118 certified corrugated packaging for aerospace components and government procurement shipping requirements.

Heavy-duty single, double, and triple wall corrugated boxes for palletized industrial and bulk cargo shipments.

Stock and custom printed corrugated boxes for e-commerce fulfillment, branded retail packaging, and product distribution.
Talk to our experts for custom solutions and tailored guidance.
We supply V3C and W5C corrugated boxes meeting ASTM D5118 and ASTM D4727 standards required for military and government packaging contracts.
With over 1,300 corrugated configurations available, including hard-to-find military-spec grades, we deliver the right box fast with minimal lead time.
We engineer custom-sized corrugated boxes to exact dimensional and strength specifications for defense logistics, hazmat, and specialty government applications.
Submit your specs and our packaging team will respond with MIL-SPEC options, pricing, and lead times tailored to your requirements.
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.