Triple sealing protection with 3 zipper locks and a fold Velcro over top, IPX8 lab-certified up to 32 feet (15 meters) underwater for one hour, protect your cellphone from water, dirt, dust, and mud, suitable for many water activities like swimming, boating, surfing, diving, kayaking, etc,The waterproof pouch has enough space to hold your phone, passport, keys and other personal items. 32.6-44.5″ waist strap (including the pouch’s length) is adjustable and long enough to wear comfortably, suitable for men, women, girls and boys.