Our Small Dry Box is the perfect dry-storage accessory for your boat. Waterproof, airtight, crushproof. Made of clear plastic with a lockable lid, lanyard and belt clip, it fits perfectly into the slots of all of our cup holders. Its 2.5″x3.25″x5.5″ interior dimensions allow you to safely hold your keys, wallet, cell phone, PDA, cigars, etc...