Waterproof guarantee: this triple-sealed waterproof pocket is designed to protect valuables in the water. 3 zippers for sealing and velcro closure to protect your small valuables against water, humidity, sand and dust. .Lightweight, adjustable and extra long belt: perfect as a hip or shoulder bag. The strap length can be adjusted from 150mm to 680mm. Tighten immediately or remove quickly. .Touch screen function and privacy: the transparent bag is made of transparent fabric. You don't need to open the package, you can easily view emails, reply to messages, etc. The black bag is opaque to protect privacy. .Touch screen function and privacy: the transparent bag is made of transparent fabric. You don't need to open the package, you can easily view emails, reply to messages, etc. The black bag is opaque to protect privacy. .