Key benefits Keeps essentials dry and protected: Airtight, sealed plastic box prevents moisture from reaching matches, small electronics, batteries, cash, and other valuables. Protects against impact and loss: 3 mm PE inner lining cushions contents for shock resistance and adds buoyancy so the box floats if dropped on water. Lightweight and easy to carry: Compact size and low weight make it convenient to pack or clip to gear for any outdoor activity. Clear limits on protection: Designed for splash and rainproof protection and flotation; not recommended for prolonged submersion or diving due to potential leakage. What makes this product stand out 3 mm PE inner lining for added shock absorption and floatation. Secure snapclosure that helps prevent water ingress while maintaining an airtight seal. Durable plastic construction that balances protection with low weight (50 g). Key features Function: Airtight, splash and waterproof storage for small items; floats if dropped on water. Compatibility: Ideal for small electronics, matches, spare batteries, cash, keys, USB drives, and other compact valuables. Size: 135 x 80 x 40 mm — compact but roomy enough for common small items. Material: Plastic exterior with a 3 mm PE inner lining. Performance: Sealed design resists moisture and shock; not suitable for submersion or diving. Practical use scenarios Camping and backpacking: Store matches, lighter, spare batteries, or a small firstaid item to keep them dry and protected during wet weather. Boating and fishing: Keep keys, a small flashlight, or electronics accessories safe from splashes; the case will float if accidentally dropped overboard. Beach, swimming, and kiteboarding: Protect IDs, cash, or small valuables from sand and moisture while you enjoy water sports (avoid intentional submersion). Technical details Dimensions: 135 x 80 x 40 mm Weight: 50 g Colors: Black, orange, tan Interior lining: 3 mm PE for shock resistance and buoyancy Closure: Secure snap closure Notes: Floating design for added safety; not intended for diving or extended underwater use.