Feature Full face snorkel mask is innovatively designed with separate breathing chambers to ensure maximum fresh air circulation and reduce fogging. We use unidirectional (outer) circulation breathing separation, separate the exhalation and inhalation mechanically. The double breath tube snorkel adopts features the same dry-top anti-leak system with two floating balls in the snorkel tube that prevent water from entering your mask. The detachable action camera mount maintains high definition for a long time, and with the use of the camera mount, you can enjoy the underwater world. Has a 180-degree field of view, a wide field of view for more freedom in the sea, and a curved mirror design for better visibility for the user. The lens adopts anti-impact and anti-fog functions, which can prevent the lens from fogging and affect the visual experience. The swimming mask is equipped with a soft food-grade liquid silicone strap and skirt, which is environmentally friendly and healthy. The snorkel mask has good sealing performance. A wider skirt with a better shape helps seal and prevent leakage. Simple installation and disassembly, convenient for you to go out and carry and store at home. Specification Size:L/XL S/M Weight: 0.63kg/1.43lb Materical: 42*19.5*13.5cm/16.5*7.8*5.3inch Color: Black,Black Blue, White Blue, White Pink ",