ASTM D5118 certified

ASTM D5118 Certified

ASTM D4727 certified

ASTM D4727 Certified

CSA Class Code A certified

CSA Class Code A Certified

Weather Resistant Storage Boxes & Bins

Weather Resistant Storage Boxes & Bins from Cardboard Boxes 4U include MIL-SPEC compliant V3C and W5C corrugated boxes engineered to withstand moisture and harsh conditions. These solutions serve military, government, industrial, and e-commerce applications with custom sizing, ASTM-certified materials, and robust wall construction options.

Stock Boxes
V3C Boxes ASTM D5118
Military Boxes

Our Range of Products

Stock Boxes

Stock Boxes

  • Custom sizes cut to exact dimensions
  • Low MOQ starting at just 100 pieces
  • 32, 44 & 48 ECT ratings available
V3C Boxes ASTM D5118

V3C Boxes ASTM D5118

  • Pre-printed fragile & destination labels
  • Flap tabs for faster, efficient packing
  • Burst strength up to 350# for dishes
Military Boxes

Military Boxes

  • MIL-SPEC V3c & W5c weather resistance
  • ASTM D5118 compliant construction
  • Fully custom sizes made to order

Frequently Asked Questions

What makes a storage box weather resistant?

Weather resistant storage boxes are manufactured with moisture-barrier coatings and compliant materials such as ASTM D4727-rated corrugated fiberboard. These boxes feature treated flutes and liners that prevent water infiltration, maintaining structural integrity in humid, wet, or outdoor storage environments. MIL-SPEC V3C and W5C configurations offer the highest level of weather protection available in corrugated packaging.

What ASTM standards apply to weather resistant corrugated boxes?

Are MIL-SPEC weather resistant boxes available in custom sizes?

What wall construction options are available for weather resistant boxes?

Can weather resistant boxes be used for hazardous materials shipping?

What is the minimum order quantity for custom weather resistant boxes?

Do weather resistant boxes ship flat to save storage space?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Military & Government

Military & Government

MIL-SPEC V3C and W5C weather resistant boxes meet ASTM D5118 for government procurement and hazmat transport.

Aerospace & Defense

Aerospace & Defense

Certified corrugated packaging protects sensitive components during outdoor storage and long-distance defense logistics.

Industrial Manufacturing

Industrial Manufacturing

Heavy-duty weather resistant bins protect manufactured parts and assemblies in plant storage and outdoor shipping environments.

E-Commerce & Retail

E-Commerce & Retail

Moisture-resistant corrugated boxes ensure product integrity for outdoor last-mile deliveries and seasonal fulfillment.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Military, Government & Industrial Buyers Choose Cardboard Boxes 4 U

MIL-SPEC & ASTM Compliance Expertise

Our weather resistant boxes meet ASTM D5118 and D4727 standards, ensuring full compliance for government, military, and industrial procurement requirements.

Custom Sizes for Any Application

We manufacture boxes to exact specifications — from small e-commerce parcels to oversized military-grade containers — with low 100-piece minimum orders.

Extensive Specialty Inventory

With over 1,300 corrugated box sizes including V3C, W5C, and Fanfold configurations, we stock hard-to-find formats unavailable through general packaging suppliers.

Request a Quote for Weather Resistant Boxes Today

Submit your specifications and our packaging experts will respond with pricing, compliance documentation, and sample availability within one business day.

Contact Us Today

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