Universal Motorcycle Helmets Anti-fog Patch Visor Lens Helmet Lens Protective Film for Against UV Rain Motorcycle Accessories Installation Steps: 1. Clean the helmet lens with a tool and tear the protective layer. 2. Place the anti-fog film inside or outside the helmet (internal anti-fog, external anti-rain) 3. Gently press the anti-fog film on the lens from the middle to the edge. 4. Completed. Description: Full-frame universal helmet anti-fog patch. Lasting anti-fog for more than 5 years. Protects vision and eye skin by sterilizing UV rays. After the rain it has been wet, it will not reduce the anti-fog effect, after wiping it with a cloth, it can be used continuously. Suitable for full helmets, half helmets, and open helmets. Material: special PET Color: clear Size(approx): 26cm x 9 cm Specification: anti-fog/rain Package: 1 x Anti-fog/rain-proof motorcycle helmet film 1 x dust cloth 1 x alcohol wipes 1 x Dust removal sticker Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement.