Material: silicone mask, silicone headband, toughened glass, PC frame Size: 12cm long, 8cm high. Color: black, blue, red, pink, yellow Weight: about 220g ATTENTION: It can install GoPro camera Double-Lens Panoramic View: Our double-lens panoramic dive mask offers a 180 view for beautiful underwater adventures Anti-Fog Design for Clear Viewing: The scuba diving mask used ultra-clear glass and anti-fog coating, providing you a crystal clear view to discover the vibrant fish life and delicate coral under the sea. Tempered Glass Lenses: The dive mask lens is made from tempered glass with great scratch-resistant and shatter-resistant, which is safe and different from normal swimming goggles with plastic lens Comfortable & Anti-leak Seal: 100% soft silicone skirt for ultimate comfort, Comfort fit silicone skirt provides a snug fit that keeps water out of their eyes for a more comfortable swim. Universal Fit: The professional dive mask with super stretchy silicone straps and quick-fit side buckles for any face shape.