2019 NEW RELEASE FINAL VERSION HJKB K2 SNORKELS MASK. Full face snorkel mask with upgraded double snorkels performs easier breathing and longer dwell time under the water. Two intake tubes are feeding fresh air circulation by the mouth and nose together and two separated chambers to exhale CO2 smoothly. The real free breathing snorkel mask you ever own.ZERO FOG & 180°PANORAMIC VIEWING. Wide front window is attached innovatie film with high transparency to check everything around you clearly while snorkeling. Two intake tubes and separated exhaled chambers for mouth and nose perform real 100% anti-fog feature better than ever. Camera mount accessories and instruction manual are included, you can't wait to capture every moment of adventure and share your fun with others by this neat snorkeling mask.100% ANTI LEAK GUARANTEE. The mask liner is made of food grade soft silicone, it doesn’t sweat or leak and fits your face snugly but gently. You could adjust the length of head elastic band to own comfort and natural fit.QUALITY GUARANTEE. The Dry Snorkel Technology prevents all water from entering the intake tubes and mask. The mask is made of a high-quality polycarbonate plastic and hypoallergenic liquid silicone for safety, soft and durability.100% SATISFACTION GUARANTEE: A 30-day warranty is provided. We guarantee product replacement or full refund for any functional problems of our product. Get it now with special gift (limited waterproof cell phone pouch). Please note only HJKB guarantees this authentic full face snorkel mask. This snorkel mask is designed for leisure surface snorkeling. Serious freediving is not recommended even we have upgraded the filtration mechanism.