With an easy-to-use slide-lock seal and additional Ziploc-style closure, the E-Merse Large Cell Phone Case protects your phone or mp3 player from sand and water. A tough polyurethane body has a built-in window for better visual access. The E-Merse Large Cell Phone Caseis submersible to 10 feet for maximum protection. A breakaway lanyard lets you wear the case comfortably and safely around your neck.Internal dimensions are 7.5 x 3.5.Specifications:- Height: 8.5- Width: 3.75- Weight: 1.4 oz