Snorkeling Mask With Full Face & No Mouth Piece To Make Breathing Easy For A Supreme Swimming Experience. See More With Larger Viewing Area than Traditional Masks. NEW ADVANCED DESIGN - gives you a wide uninterrupted view and does not squeeze eyes like traditional goggles. Firm comfortable soft stretchy head strap that is far superior to traditional plastic that pulls and is difficult to adjust DRY SNORKEL TECHNOLOGY- stops salt water from getting into your mouth and prevents gagging EXCELLENT FITNESS BENEFITS to gain when used to swim laps in the pool. Keep your face down, breath freely and continue on and on. Available in S/M for children/youth or people with smaller heads and L/XL for adults. See the size chart to determine best fit. High quality snorkel mask for GoPro Xiaomi Yi camera diving set Designed with anti-fog and anti-leak technology