diving masks professional snorkeling snorkel diving scuba package set with anti-fog coated glass purge valve and anti-splash silicon mouth p

size :adults (suitable for almost any one at the age above 12 years old.) one size fits adults and teens: this snorkeling set for adults and teens comes with fully adjustable head straps and a high-grade silicon face skirt which molds to fit virtually any face shape. the ribbed design provides extra support and ensures a water-tight seal. with adjustable head strap. anti-fog coated tempered glass: enjoy maximum under-water visibility. advanced lens shape design and tempered glass with anti-fog treatment means you'll have a crystal clear underwater experience, especially for beginners. one piece glass design enables better and wider vision under water. full dry snorkel with purge valve + splash guard: the advanced anti-splash system prevents water from entering the snorkel and the purge valve allows for easy clearing and draining water out of the snorkel. professional grade materials: the snorkeling set are manufactured using grade materials. the silicon skirt and mouth-piece provide maximum comfort and long-lasting performance..syi