Specifiaction: Lens Material: UV400 Protection Frame Material: ABS Color: Colorful Black Clear Gender:Unisex Adults Featured Refinements:Snowboard Goggles Package includes: 1/2 × Ski Goggles Anti-Fog Tips: 1. Use Anti-fog agents: Spray the anti-fog agents on both sides of the lenses. The anti-fog effect can last about 1 to 3 days. 2. DIY Anti-Fog Water: Mix 30ml glycerin and 10ml soap solution and add several drops of turpentine then stir them. Smear the solution on the lenses then carefully wipe them with clean soft cloth. The anti-fog effect can last about 3 to 4 hours. 3. Use Toothpaste: Smear some toothpaste on both sides of the lenses then gently clean the lenses. However it may cost more time because toothpaste is thick. The anti-fog effect can last about 4 hours. How to clean the goggles? 1. Use soft clean cloth to gently wipe away dust and finger prints on the lens。 2. Let the goggles air dry before cleaning it or use a hairdryer for perspiring after skiing。 3. Do not use your fingers or rough cloth to clean the lens of your goggles otherwise the lens may get stained.