Freediving Mask Two-Window Tempered Glass Diving Mask - Waterproof, Anti-Fog, Electroplated Snorkel Mask with Camera Mount Product Name: Low Volume Electroplated LensFreediving Mask. Model: B1M1. Material: Tempered Glass Lens ; High quality silicone straps Size: 14.5 x 7.8 cm (5.70 x 3.07 inch ) ; Nose Length: about 1.06 inch (2.7 cm). Color: Black ; Black Electroplated Blue ; Black Electroplated Yellow ; White. Weight: 0.17 kg. Suitable For People: Adult. Applicable Scenarios: Freediving, swimming training, hunting Package: Diving mask x 1 ; Storage box x 1. Why choose it ? Descriptions Low Volume DesignThe low volume design makes the mask have less resistance in the water, swim more easily and flexibly, and reduce the physical strength consumed due to excessive resistance. Helps divers maintain better body balance and buoyancy control. Camera Mount The top of the mask is equipped with a camera mount, which allows you to install a sports camera, such as a GoPro,to easily record exciting underwater moments during freediving,convenient photography. Tempered Glass Lensit is made of high-quality materials and sturdy structural design, scratch-resistant, wear-resistant and drop-resistant. Equipped with an anti-fog film to maintain crystal-clear vision, perfect for freediving. Adjustable Silicone Strap Equipped with adjustable silicone strap with good elasticity and durability, it can be adjusted according to individual head shape and wearing habits to ensure that the mask will not loosen or slip off during the diving process. COMFORTABLE FIT Ergonomically designed,the silicone skirt of the mask is made of soft and elastic silicone material, ensuring the sealing effect without bringing too much pressure on the face. ",