Cpsports Scuba Diving Snorkeling Freediving Mask Snorkel Set for Adult High quality - Soft 100% high-quality silicone rubber skirt. Tempered glass lenses, tough and durable polycarbonate frame Wide view design - No-frame design reduces weight and provides one of the largest fields-of-view, double feathered edge skirt for perfect seal on face Extra Large Self Draining Chamber - Easy purge system with extra large self draining chamber, angled mouthpiece for comfort, excellent tube snorkel Great for diving - Great seal regardless of diving conditions, splash-proof dry guard virtually eliminates water Intake, quick release buckle detaches with single-handed action After-sale warranty - 1 year warranty, 100% satisfaction or your money back. Contact us promptly if you have any problems, we will make every effort to resolve it