Promate Sea Viewer Color Correction Mask 100% UV protected tempered safety glass lenses Ideal for medium faces Crystal, liquid silicone injected skirt and strap Double edge comfort seal Low volume Swivel and adjustable buckles Broad peripheral view Made in Thailand Underwater Color Corrective lenses in Red (bring up lost red color at depth - great for warm water diving) Mirror Coated Lenses (hides your eyes and reduces glare while diving) 100% UV protected tempered safety glass lenses Ideal for medium faces