PANORAMA - 3 WINDOW - Extra Qwik Comfort Strap - Built-in Stainless Steel Camera Mount - GoPro Diving Mask GoMask by XS Foto (MA580) 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