Promate Hawk Eyes Prescription R/X Scuba Diving Snorkeling Mask - MK265 RXDo you want to add readers? CLICK HERE to Add to Cart ! Ideal for medium to large faces face seal size W4 3 4 * H3 1 2 Rubber coated soft frame made to absorb relative movement between the mask and the face Slim frame eliminates the bulky and cumbersome look Extra wide and long lenses provide wider peripheral view and downward vision Ultra low volume Quick Release Swivel Buckles on skirt for compact storage Easy access nose pocket for one hand