Globalstore Swim Diving Snorkel Mask, Scuba Adjustable with 100% Silicone Skirt Tempered Glass Lenses Anti-Fog Scratch-Resistant Panoramic 180 panoramic vision Quick-and-easy silicone strap adjustment Anti-fog, scratch-resistant and tempered lenses Mask features 100% silicone skirt, soft and comfortable for fit and seal Ideal for recreational diving, scuba diving, snorkeling and underwater photographing Global-store snorkeling dving freediving scuba mask is a necessary for diving enthusiasts ;great for diving, scuba diving, snorkeling and underwater photographing