Material & Design: Premium Durable PC mount seal the case safely, Transparent PVC screen and camera window allows taking photos conveniently, Length X Width: 80mm X 155mm, Compatible for up to 5.7 inch smart phones confidently! A circle with air around the clear window, decorated by a luminous ornament. This design language is to let the case float on water (if drop)and be seen at night conveniently. Kindly NOTE: 1) Test WaterProof Function before Each Use. Fill with Paper Towel; Squeeze air before Sealed. Submerge underwater for about 15 minutes.2) Downside the top mount to take out the object, avoid water going into the case. 3) Keep the Instrution manual for future use. Functions: 1) Friendly Screen Touch Response,writing message etc! 2) Answering your calling clearly! Note: The screen COULD NOT recognize your Touch ID when in case. Occasion: Waterproof when swimming, Rafting, Boating, Snowproof when snowing, Skiing, Dirtproof / Dustproof when play on beach, explore in cave etc.