DIPUKI Snorkeling Gear for Adults Snorkel mask Set Scuba Diving mask Dry Snorkel Swimming Glasses Swim Dive mask Nose Cover Youth Free Diving (Red+Yellow（2 Pack）)Brand: DIPUKI Color: Red+Yellow2 Pack Features: Safe snorkel The new dry vent pipe uses an automatic closing valve at the opening to prevent water from entering. When the snorkel enters the water, the opening at the top of the snorkel automatically closes and reopens when the snorkel reaches the water surface. Even if the waves hit overhead, the splash guard prevents water from entering the snorkel. Unlike floating ball valves that are easily stuck by