EASY TO USE AND WELL DESIGNED - Use your smartphone naturally (talk, text, swipe, listen, watch, shoot) and maintain touchscreen functionality (transparent dual-sided windows) while being fully protected on your adventures! Simply snap-and-lock and you're good to go! AMAZING PROTECTION for smartphones (up to 6.0" diagonal size), credit cards, ID, wallet, keys, and passport. Floats above water (buoyant) so you never have to worry about your precious valuables sinking to the bottom of the pool/sea/bathtub. ADVANTAGES OVER OTHER BRANDS - Detachable armband for outdoor/physical activities. Headphone Jack lets you still listen to music. Lanyard (neck strap) allows your hands to be free from holding it all the time.