Incredible Panoramic Vision through Beveled and Bonded 3-Window Lens Includes Two Mask Straps; Traditional Silicone Strap and the Patented Qwik Strap Solid Stainless Steel Camera Mount with Built-in Threading, No Nut to Lose. Secure Attachment of All Models of GoPro Cameras with Your Current Thumb Screw. Angled Forward Camera Mount to Reduce Interference with Exhaled Bubbles High Quality Everclear Optical Tempered Glass ANSI Z86. 11-1985 XS Foto Model MA580 - GoMask Panorama and Stainless Steel Camera Mount. New 3 Window Lens Design with Beveled and Bonded Edges. Patented Wrap-Around Design for the Ultimate Field of View. This Mask Includes two Mask Straps, the New Patented Qwik Strap And the Traditional Silicone Strap. The Qwik Strap is a Center Pull Easy Adjust Strap with Skull Cup - Very Cool - Very Comfortable. Easy for you to Switch between the Two Styles of Straps. Quick and Secure attachment of all models of GoPro Cameras to the GoMask. Solid Stainless Steel GoPro Mount with Build-in Threads - No Nut Needed. Fast and Easy attachment with Your Current GoPro Attachment Screw. Impact Resistant Tempered EverClear Glass Lenses - ANSI Spec Z86. 11-1985. Everclear Glass Lenses - Nearly All Diving masks Use Low Quality Glass with a Visible Green Tint Caused by Impurities of Iron. The Iron Particles Reduce the Transmission of Light. The Everclear Glass Lenses in GoMask are High Quality Optical Lenses with Significantly Less Impurities, Less Blockage of Light and Better Underwater Vision. Angled Forward GoPro Mount Allows for More Clearance During Mask Clearing and Reduces Interference from Exhaled Bubbles. Liquid Silicone Skirt (LIM) with Double Feathered Edge for Excellent Universal Seal and Fit. Lens Design with Open Access Nose Pocket - Easy for Equalizing Your Ears. Strong, Over-Built Construction, Yet Lightweight for Travel at Just 9.9 Ounces. Durable Storage Box Included to Prevent Damage when Traveling.