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. Fits up to 44" waist. The E-Merse Fanny Pack is submersible to 10 feet for maximum protection. Dimension: 12" x 6" (internal) Wt: 4.9 oz.