Flyboo Snorkel Mask, Full Face Set, 180view Snorkeling Gear with Panoramic Design Compatible Sports Camera, Diving Mask Anti fog and leak Technology for Adults Kids

Anti-Fog -- Separate breathing chamber design effectively stops the mask from fogging up by a dual air flow system, Enjoy a crystal-clear viewing experience. 180° Panoramic -- Snorkel mask provides you a breakage-proof safety window with 180° wide viewing give you a full view scenery under the sea. Full Face -- Snorkeling mask takes away the inconvenience of holding the snorkel in your mouth, allowing you to breathe naturally through your nose and mouth underwater. Sports Camera Compatible -- Fits for sports cams, allow you to capture all the amazing things you see when you are snorkeling. (not include camera) More Comfortabel -- Quick-adjust ratcheting mask strap buckles and soft high-quality silicone rubber skirt,give more comfortable experience when you skin diving. Choose Right Size--With your mouth closed, measure the distance between the bridge of your nose and the bottom of your chin: a) measurement 3.15-4in(8cm-10cm ) choose XS size. b) measurement 4-4.7in(10cm-12cm ), choose S/M size. c) measurement greater than 4.7in(12cm),choose the L/XL size. Please choose the correct size, incorrect size may cause leakage. If you have any questions during the selection process, please let us know. We are always here to help.