Breath Freely Snorkeling Mask The built-in top snorkel lets you breathe more easily so you can focus on swimming and enjoying the sights and not on struggling with breathing in water. Snorkel Mask Full Face Flat lens designed for to avoid dizziness. We will suggest you do not wear the mask at a very long time if you first time use this mask. If worry about distorted view please choose the flat lens. Record Good Moments by OUUKER Snorkel Mask Equipped with detachable camera mount, you can attach your action camera easily to capture and share snorkeling adventure with others. How to Save Snorkel Mask ? ① After every usage, apply the dish soap or liquid soap to the outer shell and inner of the mask, soak it in clean water for 10 minutes to avoid corrosion. Then pick up and clean with fresh water. ② To keep better anti-fogging effect,pls don\'t wipe the mask. Just leave it dry naturally after cleaning to avoid direct sunlight. ③ Avoid letting your mask come into contact with sand.Sand will scratch your mask window and can also clog up the floater in the snorkel gear.