Features: 180 full face design Easy to use snorkel gear Dry snorkel technology stops water from getting into your mouth and prevents gagging Anti fog design Package includes: Size:S/M , L/XL (L/XL is for men, S/M for women) 1x Snokeling full face mask with Earplug Important: only suitable for surface water snorkeling, scuba diving can not be used 1: This product non-toxic silicone raw materials imported from Japan, imported from Germany Bayer PC, they are all manufacturers products, non-toxic and environmentally friendly, because the raw materials to prevent sensitive skin problems caused by allergies or other skin product issues. 2: This product works: by the middle of the breathing tube into the air, plastic pellets because the buoyancy of water while lifting and then open and close the intake port. Oxygen into the "gas chamber" (Perspective reach of the mask), breathing, individual valve is opened by the pressure, breathing oxygen into the chamber for the body oxygen. Exhale, the gas is discharged through the article on both sides of the chin and the mask illegal channels. 3: The origin of the article: After a long diving industry evolved from all wet - half wet - Semi development through the efforts of the Division I, to achieve a full face mask dry bring better portability diving experience. 4: This article has no experience for the swimmers, and with a life jacket, even if not swim can also enjoy snorkeling enjoy the fun. 5: For diving enthusiasts, the present products to solve the long-term need to bite snorkel and constantly spit out water inconvenience, save energy, allowing users to easily enjoy the fun of diving. 6: The Division I independent research and development of products in the market in a monopoly position, and after long years of research and testing to achieve not leak, eliminate the problem, safety standards
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