●Our snorkel mask features an anti-fog lens for clear underwater observation ●Soft silicone material and ergonomic skirt design ensures a snug fit and prevents water from entering your eyes ●Our snorkel set features a float valve that seals in the water and opens to facilitate breathing on the water ●Snorkel Set for Adults Use the mask and snorkel together for snorkeling or diving, and use the mask only for swimming ●Compact and lightweight snorkel set is the ideal travel companion for a variety of underwater activities