This Anti-Fog Spray special formula combines cleaning, with a powerful and long lasting anti fog, which is applied from a convenient pump spray. Suitable for cleaning and fog free vision on dive masks, camera housings, lenses, ski goggles and sunglasses ect. Also ideal for hockey masks, paintball goggles, telescopes, night vision goggles, binoculars, camera housings ect. Not recommended for swim goggles or contact lenses. Anti-Fog Spray is nontoxic, biodegradable and both alcohol and silicon free.