PS Mask has the widest view among our range of scuba diving / snorkeling mask. Full Silicone UV Coating Anti - Fog coating glass Large view Suitable for Asian face Scuba Diving Mask ANSI z86.11-1985 Tempered Glass Don’t buy a cheap mask – They may look the same, but it’s often hard to see. The quality of the silicone, glass it just as important!