1. Material: PVC 2. Features: strong waterproof, easy to use, clear touch screen photos, various patterns, smooth sliding 3. Dimensions: 11.5 x 22.5 cm 4. Applicable products: charger, ID card, data cable, U disk, mobile phone, glasses, wallet 5. Precautions for using waterproof bag: 1. After receiving the product, please carefully check whether the product is damaged to avoid harm when used 2. Please don't put digital products when using for the first time, replace with other absorbent articles such as paper, soak for 5 minutes, if there is no water, please rest assured to avoid scratches and impacts during use 3. Please do not use in warm water over 50C. 4. After using in water, if you need to take out the items, please put the seal face down to avoid the water outside or inside the seal from entering the cover. 6. Applicable scenes: swimming, diving, picnic, underwater shooting, outdoor, mountain climbing and fishing.