The Big Water Case is a waterproof fly box, phone case, travel wallet, and more! This case is jam-packed with unique inserts and attachment features so you can have one box that does it all. Attach securely to your boat or raft using our exclusive dual strap mounting points or use our clampIT style mounting feature on the rear of the case. The inside of the case has interchangeable and customizable fly foam and wallet inserts with a large mesh storage bag inside the lid (mesh bag not removable).