SZHOWORLD&reg; Outdoor Waterproof Shockproof Airtight Box EDC Survival Case Container Dry Storage Box High quality Outdoor Waterproof Shockproof Airtight Box, 3 colors 2 sizes for your choice Waterproof, moisture-proof, dustproof,Shockproof, press resistant Shockproof: cover 3 mm PE shockproof lining, effectively protect the goods inside the box Strength: high strength composite materials, ensure the intensity Purpose: small items stored, convenient and safe to carry