Vaincre 180&deg; Full Face Snorkel Mask Foldable with Panoramic View Anti-Fog, Anti-Leak with Adjustable Head Straps - See Larger Viewing Area Than Traditional Masks Panoramic Full Face Snorkel Mask, Added Foldable Snorkel Mask Gives You More Choice  Offering superior views over a standard diving mask, our 2-in-1 mask and snorkel offers a 180 view for beautiful underwater adventures. It is also equipped with a detachable GoPro camera stand for all full face mask and Hand-held Camera Mount for Upgraded Foldable snorkel mask so that you can capture every amazing moment in the sea and share it with your friends and family. Deep, Easy to use  Taking in undersea sights is made easier with a unique full-face design that lets you breathe without holding a snorkel in your mouth, easier than ever before and can breathe naturally through your mouth or nose while you are snorkeling. Dry Snorkel system at the top allows the valve to close automatically to prevent water from entering the breathing tube. Anti-Fog Len The innovative breathing chamber provides streamlined airflow to eliminate fogging for crystal-clear fish and sea life viewing. Beginner & Youth Friendly, Upgraded Quick Release Buckle ONLY for Adult Foldable Mask  Great for youth and adults alike, our face mask with built-in snorkel reduces swimming energy wasted and lets you focus on surface diving. Upgraded foldable snorkel mask with the easy quick release strap buckle at right, you just need to press the button, the headband will be flexible to put on or remove without twining your hair. Beginner & Youth Friendly, Upgraded Quick Release Buckle ONLY for Adult Foldable Mask  Great for youth and adults alike, our face mask with built-in snorkel reduces swimming energy wasted and lets you focus on surface diving. Upgraded foldable snorkel mask with the easy quick release strap buckle at right, you just need to press the button, the headband will be flexible to put on or remove without twining your hair. <span class="a-text-bold">Preparation: Check the seal.</span>Once the mask is tight on your face, it will be the right size if there is no space between your chin and the silicone skirt of the mask. We recommend that men shave their beards before using the Vaincre mask and people with long hair, make sure it does not come between your forehead and the mask. because the hairs can break the seal between the silicone skirt of the mask and your skin. Use the mask properly will also reducemistup.Make sure that the nose silicone parts close to your face andwater  18 Canti-fog systemis optimum.Breathing slowly through your nose helps reduce chances of fogging. The separate breathing chamber makes airflow away from your main viewing visor that will help yousnorkeling longer. If your breathing sometimes blocked and feel hard to breathe, please do not struggle. This is because the dry topfloater seal the inhale air path when your snorkelwas totally immersed into the water ora wave went over your head. Justsimply lift your head out of the water and it will drain out of the chin valve,no need remove your mask to clear it of water. But if you feel light headed please remove the mask immediately, keeping your chin slightly up will create the best breathing experience. Please be aware of theSAND. Avoid letting your mask come into contact with sand as this can scratch the window of the mask. Please rinse the snorkel and mask vigorously before connecting the snorkel mask and the tube if have sand.