Matiko Kids Safe Swimming Snorkel Anti Fog Full-face MaskOur mask provides a 180° viewing area- the biggest of any snorkel mask on the market today guaranteeing that you will see more fish and sea creatures than ever before.2.ANTI FOG DESIGNOur innovative design features a separate breathing chamber that creates an airflow away from your main viewing visor that helps eliminates fogging and will keep you snorkeling longer.3.DRY SNORKEL TECHNOLOGYStops salt water from getting into your mouth and prevents gagging. Spend less time worrying about water in your mask and more time snorkeling!4.BUILT IN GO PRO MOUNTEasily mount your camera to the 180° and capture the beauty and fun of your snorkeling adventures.5.DRY TOP SYSTEMAir valve blocked breath system start.Floating ball up anti water into mask.The floating ball goes up and blocks the air inlet, the prevents water from entering the mask.?Type: diving mask?Quantity: 1pc?Color:Multi-Color?Package Contents ?1 x Snorkel Mask?1 pair x Earplugs?1 x Mesh Bag?1 x Instruction