This is the Aqua Lung Wraparound Scuba Diving Snorkeling Mask Features: Stainless steel frame construction gives unparalleled durability for use in the most extreme environments Stainless strap buckle maximizes durability and corrosion resistance Three-panel design gives divers improved side-to-side vision Silicone skirt delivers an improved fit and more secure seal against the skin Shatterproof, tempered glass lenses suitable for diving and snorkeling meet ANSI standards Produced especially for military and search-and-rescue divers, the Wraparound's stainless steel frame and strap buckles provide the ultimate in extreme durability. A black, non-reflective coating improves its stealth quality and an updated mask skirt gives this classic diehard a high-performance, modern fit. "