[Double-Tube Full Face Snorkel Mask]The snorkeling gear for adults is a dry top system snorkel mask. The snorkel set using one-way valves and a separate breathing chamber ensures fresh air is always circulating through the mask. Can avoid the exhaled carbon dioxide from being re-inhaled effectively,and prevent the suffocation and hypoxia caused by the accumulation of carbon dioxide.extremely suitable for beginners,Even for inexperienced swimmers,this snorkel mask full face will make a great fit.

[Dry Top Anti-Leak System]Full face snorkeling mask . Mask uses food-grade silicone to wrap your entire face completely and achieve a leak-proof effect.Double floating bead designed, when the air intake pipes sink under water, the floating beads will rise to prevent sea water entering mask.If water enters the snorkel mask due to incorrect wearing, you can spit out the water with your mouth, or you can raise your head to let the water drain from the dive mask drain valve.

[Upgraded Anti-Fog Designed]Our swimming mask provides 2 breathing tubes intake valve and 1 independent exhaust valve stop the top snorkel mask from fogging up. O? enters through the double breathing tube and the exhaled CO? exits through the front of the mask, not passing through the field of view, your breath doesn't create fog. At the same time,we have an anti-fog wipe for each snorkeling mask,wipe the mirror inside the snorkel mask before use,and it can help you maintain a view effectively.

[180°HD Panoramic View]Uses advanced PC optical mirrors,which will not distort your vision and eliminate dizziness or discomfort underwater. The 180 degree HD panoramic flat mirror provides you a larger and clearer view. Equipped with sports camera stand in the top of the snorkel mask, allow you to clearly capture every wonderful moment underwater. (Please note → Test in the pool first and make sure it fits and seals. Be sure to take regular breaks while snorkeling,never snorkel alone)

[How To Choose The Size]Be sure to measure from the bridge of your nose (between your eyes) to the tip of your chin.Measure along the side of your nose, not over the top.If less than 4.7 in and please select size S/M,if more than 4.7 in and please select size L/XL. Generally S/M is for women and teenagers(Also applies to older kids), L/XL is for men. Please choose the suitable size.If you have any questions you can always contact us.We will reply within 24 hours and solve your problem perfectly.