material: pu polyurethane material. use: the surface transparent film is tpu, moisture-proof and anti-bacterial, there is no need to tear it off. after receiving the product, wash it and you can use it directly maintenance: it is not recommended to expose to the sun, avoid exposure to high temperatures, after washing it after use, put it in a cool place, and it can be used repeatedly. a variety of styles for you to choose. quality products, please rest assured to buy. please choose the style and quantity you want.