1. Material: TPU 2. Function: anti-dust, anti-scratch 3. Electrostatic adsorption, tearing without residual glue 4. Made of TPU material, strong toughness, good elasticity, dust-proof and scratch-proof, durable, colorless and odorless 5. Precise hole position, perfectly fit the touch area 6. The touch is sensitive, will not stick to sweat, and wear-resistant