Product Description Lens ring material: liquefied silica gel Mirror material: PC Mirror strap material: silicone Size: 16.5 cm * 9 cm Color: yellow, black, blue Quantity: 1pcs Package content: 1pcs * snorkeling mirror 1.No Fogging & Super Clear Frameless Mask : Crystal clear tempered glass lens of the mask has anti-fog treatment to help you see the tiniest things in the water. Frameless mask with single lens design, tempered glass lens for extra durability 2.Easy to Breathe and Drain: Dry top snorkel will actually prevent water from coming in and let air in, helps you breathe smoothly in the undersea world. The bottom of the snorkel with a purge valve, it can helps you expel any water from inside tube, just simple exhales 3.Perfect Fit & No Leaking: Adjustable elastic silicone strap help to fit your face snugly and the improved mask will fit different face shapes well including men, women, teenagers and so on. This mask has a very soft liquid silicone skirt, reduces face water pressure, seals on your face well without worrying about water leakage 4.100% Full Dry Snorkel: 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. This is a great safety feature, especially for those with families. A large purge valve makes cleaning this snorkel easy 5.Versatility: The snorkeling set has an adjustable buckle for easy adjustment of the headband. The mask fits your head and can prevent water from getting into your eyes. Suitable for men, women and teenagers, don't worry about leaks. The snorkel can be attached to the mask to enable free diving.