Use: Ideal key storage while out for a surf, 
Size: Internal key compartment size 54mm wide x 100mm high x 26mm deep, 
Push button combination locking system, 
Large key storage area - fits most key types,  
Heavy duty toughened steel metal case with protective outer rubber covering, 
Waterproof, 
Comes with aluminium foil sealed bag for use with close-proximity keys.