WATERPROOF - can provide a good waterproof performance up to 98 feet (30 meters), offers waterproof, sandproof, dirtproof, snowproof protection for your devices.Perfect for swimming, fishing, rowing, skiing or other activities. Fashion safe design, if you encounter an emergency, you can whistle to get help. Usually, you can also whistle to play, very interesting. SECURE LOCK DESIGN - simply to open and close the pouch by turning the two switches on the top. high quality materials ensure durable use with scratch resistance and wear resistance. Protect your cellphone, ID card, credit cards, and money from water, snow and dust.