It can better stabilize your glasses and make the glasses difficult to slide, so as not to affect your vision.The general size is adjustable and compatible with most models.The frame is not easy to deform and discolor so that the frame can be worn longer.Flexible, durable and transparent. for ski goggles, motorcycle goggles, and goggles. :1. Flexible, durable and transparent.2. for ski goggles, motorcycle goggles, and goggles.3. The general size is adjustable and compatible with most models.4. It can better stabilize your glasses and make the glasses difficult to slide, so as not to affect your vision.5. The frame is not easy to deform and discolor so that the frame can be worn longer. Product name: Ski Goggles Rx InsertMaterial: TR90Glasses style: butterfly frameApplicable people: adults Package Content:1*Glasses Frame :Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.