High quality - Soft 100% high-quality silicone rubber skirt. Tempered glass lenses, tough and durable polycarbonate framenWide view design - No-frame design reduces weight and provides one of the largest fields-of-view, double feathered edge skirt for perfect seal on facenExtra Large Self Draining Chamber - Easy purge system with extra large self draining chamber, angled mouthpiece for comfort, excellent tube snorkelnGreat for free dive - Low volume mask special design for free dive. Snorkel Keeper Included. Snorkel storage container diameter: 3-1/2u0026#34;. Snorkel length: 15u0026#34; (unfolded)nAfter-sale warranty - 1 year warranty, 100% satisfaction or your money back. Contact us promptly if you have any problems, we would be more than happy to work out with youn