Full Dry Snorkel with Purge Valve + Splash Guard100% Dry snorkel. Seals Snorkeling Mask is designed with an-splash system that prevents water from getting inside the snorkel. It comes with an one-way purge valve at the bottom for easy clearing and draining water out of the snorkel, so you can enjoy easy and unobstructed breathing while diving underwater.Anti-fog & 180deg Panoramic ViewThis scuba diving mask features anti-fog coating for maximum under-water visibility. Advanced tempered lens can help against collision and strong ultraviolet rays and give you an unobstructed clear view of the beautiful underwater world, especially for beginners. One piece glass design enables better and wider vision under water.One Size Fits AllLThis SEALS Snorkeling Set for adults comes with fully adjustable head straps and a high-grade silicon face skirt which molds to fit virtually any face shape, it fits for women and men. The skirt of diving mask is designed with soft and flexible silicone to provide a watertight seal for face. It is comfortable, safe and leak-free.Food Grade Non-toxic MaterialThe mask and snorkel are manufactured using top grade materials. The silicon mask and mouth-piece provide maximum comfort and long-lasting performance. It is easy to clean and especially perfect for beginners and divers.