TUSA Sport Adult Splendive Mask and Snorkel Combo Can be outfitted with corrective lenses for distance Fits Adult Small to Medium faces Hypoallergenic Crystal Silicone Skirt and Strap Hyperdry Technology reduces waterflow into the snorkel Large capacity drain chamber and purge valve for easy clearing Hypo-allergenic silicone 2-window lens mask for maximum field of view Hyperdry purge snorkel 3 Year Warranty