Waterproof, meets or exceeds IP67. Built for continuous submersion up to 3 Meters. Made of high impact resistant polycarbonate. Carabiner loop. 1.5 inch' strap attachment. Rust proof hinges. Keyed plastic safety locking latch. Includes Accuform Cubed foam base and convolute lid foam. Automatic pressure equalization system. Buoyancy: 1 lb. Weight Capacity: 10 lb.