Anti-fog lens gives crystal clear vision all the time When you are underwater, your breath may fog the snorkel masks lens. But this snorkel mask is specially designed to be fog-free. Giving you hours of enjoyable diving, snorkeling or swimming.Comfortable Leak-Free This scuba diving mask the skirt is large and the soft silicone straps can be adjusted for a perfect fit and a tight seal. The ribbed silicone face seal snorkel mask molds to fit the faces of most men, women, youth and juniors, which is very suitable for deep free diving, snorkeling and snorkeling Free Breathing Dry A high quality snorkel with a dry-top valve that seals the breathing tube when submerged.The dry top snorkel is designed to prevent water from entering the breathing tube, the ergonomic silicone mouthpiece is comfortable and durable. The bottom purge valve quickly expels water, so you can enjoy easy, unobstructed breathing while scuba diving.Food Grade Silicon Material Snorkel Mask Set are made from transparent soft silicone or food grade, and comes with great comfort,The skirt of environmentally friendly materials will not make your face allergic, and it is easy to clean after use, especially suitable for long-term use in free diving, without feeling uneasy to comfortable.Easy to Use & Fits for Most snorkeling diving masks are favored by enthusiasts. The snorkel mask is easily adjustable, has a small interior volume, which is very suitable for deep free diving, and the skirt is small, but the mask easily adapts to many face types. Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.