• Prevents swimming goggles, diving masks, and snorkeling masks from fogging in the water with the powerful and eye-safe anti-fogging performance. • LASTS AT LEAST ONE DAY, UP TO SEVEN DAYS: Due to non-water-soluble coating, VIEW OK anti-fog coating prevents fogging for several days if not removed by rubbing. • NO EYE IRRITATION: Contains highly purified and non-water-soluble materials that prevent eye irritation. Our internationally accredited OECD 405 TEST REPORT shows no eye irritation, not even mild irritation. • ALCOHOL-FREE, ODORLESS • Works on swimming goggles, diving masks, and snorkeling masks; not recommended for lenses with hydrophobic chemical-resistance anti-fogging coating • Swimming goggles need two sprays per lens and 10 min. dry. Larger diving and snorkel masks need six ~ ten sprays according to size • Not work on eyeglasses, sunglasses, sports goggles, etc., used in non-water contact conditions.