Safe Airflow System: The snorkel mask features a completely dry snorkel system that reduces the length of the snorkel tube and increases the diameter for faster exhaust and better breathing. The movable float design effectively prevents water from flowinginto the top, preventing water from entering the snorkel to prevent suffocation, allowing you to enjoy snorkeling, free diving or swimming Leak-proof and anti-fog design: The nasal mask is made of liquid silicone, which can perfectly fit different face shapes and maintain a high standard of leak-proof and comfort. The breathing channel is completely isolated from the lens to prevent fogging.Our snorkel mask can also be used as swimming goggles, diving goggles 180 degree panorama: The snorkeling diving mask is made of professional high-definition anti-fog flat lens, which has a wide field of vision, high light transmittance and no dizziness. Provide you with high definition and wider underwater view. The divingsnorkeling mask has a camera mount designed to help you record every beautiful moment underwater Comfortable and Lightweight: Compared with the full face type, the snorkel gear won't make you feel stuffy in summer, and the weight is only a quarter of the old full face snorkel mask. The snorkel set comes with adjustable straps that allow you to adjustto the most comfortable fit.