Features: anti-fog and anti-fog, rainproof and durable, use tools to scrape, towel, handkerchief, paper towel, boil for various tests, the rain effect is still very good, the temperature test gel is stable, never leave. Our raw materials are based on Japan's highly transparent PET film. The surface of the substrate is made of a nano-waterproof and anti-fog coating imported from Japan. The back of the substrate is made of silicone imported from Japan. The product is waterproof, anti-fog and oil resistant. Static, anti-ultraviolet, anti-bacterial, gel layer automatically and quickly ventilated, can be repeatedly pasted, never residual glue, 0.12MM thickness is high scratch-resistant material, can be used steel ball brush, durable.