Key features: (1)Brand New, High Quality, New Product. (2)Made of Rubber, TPU, PET. (3)Waterproof Completely waterproof, It can be used underwater. But you can't use it for a very long time. (4)Dirt Proof totally sealed against minute dirt & dust ingress (5)Snow Proof fully enclosed to keep melting snow, sleet and ice out (6)Easy access to all important parts including camera, buttons, charger etc (7) Multi-function: 1) Daily application: kitchen,spa bathroom,rainy days,etc. 2) Outdoor Application: travel,hiking,cross-country skiing 3) Water Application: rafting,surfing,swimming,diving,etc. 4) Operating Application: outdoor surveying, well drilling workers,etc. (8) Customized access to all Buttons, Data Cable/Charger ports,Headphone/earbuds jack,etc. (9) Scratch-resistant, Anti-ultraviolet, Waterproof Screen Protector (10)It Can be Used When Rain and Snow, or Other Similar Environmental also Unrestricted to Use Note: Please measure it to see whether it is waterproof before you use it! It can guarantee your phone safety! How to measure the waterproof: Put a paper in the cases and install the cases, then put some water on the cases to see whether the paper is dry still. If it is dry, you can use it without any worry. If not, you can contract us to get a replacement!