FULL FACE SNORKEL MASK: Be different from other traditional snorkle gear, our snorkeling mask provides you a 180 degree field of vision, and offers superior views over a standard diving mask and opens up a new world of underwater adventure, full face design allows you to breath comfortably through nose and mouth during snorkeling. ANTI-FOG AND ANTI-LEAK: Separate inhaling and exhaling channels stop the top snorkel mask from fogging up, and anti-fog coating on the lens and anti-fog inserts guarantees anti-fog effect; advanced leak-proof silicone sealing mask with floating ball prevents salty water from entering in mask. COMFORTABLE TO WEAR: Be made of hard PC, snorkling sets for adults anti fog is non-toxic and odourless; wrapped by soft and thick silicone, it protects your safety and won’t make you headache for longtime wearing; free breath and no need to hold a breathing tube in your mouth and clinch your jaw the entire time, 9.3 inches long snorkel tube allows you to diving deeper and deeper. FRIENDLY GIFT TO BEGINNERS: Adults snorkel mask full face is easier to use than traditional diving mask and more friendly to beginners and youth, it’s a perfect present to family and friends; use this sports snorkel mask and enjoy unforgettable vacation. AFTER SALES SERVICE: As long as you are our customers, We will provide 24-hour uninterrupted service. We sincerelly believe we will bring the customers the most satisfied buying experience.