With an easy-to-use slide-lock seal and additional Ziploc-style closure, the E-Merse Dry Wallet protects your smaller valuables from sand and water. A tough polyurethane body has a built-in window for better visual access.The E-Merse Dry Wallet is submersible to 10 feet for maximum protection. A breakaway lanyard lets you wear the case comfortably and safely around your neck.Internal dimensions are 5 x 3.75.Specifications:- Height: 8.5- Width: 4- Weight: 1.1 oz