Lens ring material: liquefied silica gel Mirror material: PC Mirror band material: silicone Size: 16.5cm * 9cm Color: black Quantity: 1pc Package Content: 1pc * Snorkel Mirror 1.No Fogging & Super Clear Frameless Mask: The crystal clear tempered glass lens of the mask features anti-fog treatment to help you see the smallest things in the water. 2.Easy to Breathe & Deflate: The dry top snorkel actually prevents water from entering and lets air in, helping you breathe smoothly in the underwater world. The bottom of the snorkel is equipped with a purge valve, which allows you to expel water from the tube, easy to exhale 3.Perfect Fit & No Leakage:The adjustable elastic silicone band fits your face well, and the upgraded mask adapts well to different face shapes, including men, women, teens and so on. 4. Full Dry Snorkel:The advanced anti-splash system prevents water from entering the snorkel, and the purge valve allows easy cleaning and draining of water from the snorkel, which is a great safety feature, especially for families. A large purge valve makes this snorkel easy to clean 5.Versatility:The snorkel 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.