designed for scuba.diving and snorkeling Design: A low-volume design for a wide field of view and easy clearing. Skirt: Made of high-grade 100% liquid silicone for a comfortable fit and durability. Frame: Sturdy and lightweight. Lens: Exceeds impact test requirements of the American National Standard Z86.11-1985. It is made of tempered glass. Caution Notice: The mask includes a caution notice in both English and Spanish, warning that the impact-resistant lens can break under undue force or impact, potentially causing injury.
eBay