Awesome 180 Panoramic View - Greatever snorkel mask different from traditional snorkeling masks, allows you to breathe comfortably through your mouth or nose while snorkeling. Full Face snorkel mask uses clear, flat lenses that won't distort your vision underwater, eliminating any glare or discomfort for the best viewing experience.Anti-Fog & Anti-Leak Design - Our snorkeling gear for adults with separate inhalation and exhalation channel system, can effectively prevent the top diving mask from fogging. Meanwhile, the hypoallergenic silicone skirt creates a leak-free seal around your face and can stop water from entering the scuba mask.Safety Breathing System - snorkeling mask has three completely independent air channels to maximize airflow, ensuring that fresh air is always circulated in the dive mask to effectively prevent re-inhalation of exhaled CO2, thus maximizing safety and giving you a safe and comfortable snorkeling experience.Premium Enhanced Functions - This snorkel mask set is equipped with a removable camera mount that allows you to install your camera and record your wonderful underwater adventures, while using a unique foldable design that is easy to carry and space-saving, making it the perfect choice for beach vacation!Size Selection and After-Sales Guarantee - Measure from the bridge of the nose to the bottom of the chin, and select the appropriate S/M size(less than 4.72 inches) or L/XL size(more than 4.72 inches).