With an easy-to-use slide-lock seal and additional Ziploc-style closure, the E-Merse Aqua-Lock Fanny Pack protects your valuables from sand and water. A tough polyurethane body has a built-in window for better visual access. In addition, the comfortable, adjustable hip belt will ensure that your pack stays right where you want it.The E-Merse Fanny Pack is submersible to 10 feet for maximum protection.Specifications:- Internal dimensions: 12.5 x 7.- Height: 7.5 in. - Width: 16 in.- Weight: 5 oz.