Main Features: 1. Anti-Fog 2. Harmless to surface 3. Reuse more than 700 times 4. Lasting over 48Hours after right useKindly Reminder: 1. Kepp it away from children 2. Wash hands after use 3. Don't eat or smoke when use it Our Brand: LifeArtLifeArt was founded in 2012 with the belief that everyone has the right to have better vision. Our prescription labs are equipped with the most advanced machinery supplied by the world's leading optical machine manufacturers, including Japanese Nidek and German SatislohLifeArt was built upon the following principles, and is dedicated to fulfilling them:1. To provide the affordable goggles to people all over the world2. To provide the highest-quality optical lenses to our customers3. To provide exceptional customer support