Unique hybrid blend of part goggle and part mask provides for superior long wearing comfortnAnti-water ,Anti-fog ,and UV protection, anti-fog lenses, and 100% PVC free making itnSoft and comfortable neoprene strap that does not pull hairnPolycarbonate lenses, silicone Eye mask and goggles strapnAnti-water Anti-fog Anti UV ,Satisfaction GuaranteenQishi's big frame zero diopter Anti-water Anti-fog Anti UV Swimming Goggles for adult is the ultimate blend of a mask and goggle to allow for supreme comfort and amazing visibility during lap swimming, water play, or underwater adventures. With a soft silicone skirt and clips for quick adjustment, this is the perfect water accessory for the pool or open water.