ONE SIZE FITS ALL: The elastic silicone strap adjusts for a snug fit, and the improved matte mask fits different face shapes, including men, women, teens. This snorkel mask has a very soft liquid silicone skirt that reduces water pressure on the face and seals the face well without worrying about water leakage.Anti-Fog & Ultra Clear: Advanced lens shape design and anti-fog treated tempered glass mean you'll have a crystal clear underwater experience, and the one-piece glass design provides a better, wider view underwater.Detachable and Collapsible Dry Snorkel: The snorkel set comes with an upgraded dry top snorkel for superior performance on breathing and air intake, so you can snorkel with confidence, even when you're diving underwater, you There will be no salt water in your mouth Removable splash guard, perfect for experienced swimmers and beginners.Food Grade Silicone Material: The scuba diving mask is made of soft food grade silicone which is very comfortable. The food-grade silicone nozzle sucks comfortably into your mouth, allowing prolonged use without any discomfort. Perfect snorkeling equipment for adults and teenagers.