Keep the rearview mirror clear and transparent in rainy and foggy days to ensure you can drive safely. Rainproof: This car film will solve your trouble that you can't see the rearview mirror clearly in rainy days. Anti-fog: Super hydrophilic hard coating helps water droplets dissipate quickly and no dew-condensation, preventing mist formation. Anti-glare: Relax visual fatigue, keep you feeling comfortable even the vehicle behind use high beam driving. Anti-reflective: Prevent strong light reflection, see more clearly and reduce the affect by strong light at night. Scratch-proof: The shield can protect your rearview side mirror from unwanted scratches, keeping it clear at all times. Easy Installation: Read Less