This is the super Fish Eyes Scuba Dive Mask. It features: Quality Extra wide and long lenses provide wider peripheral view and downward vision Ideal mask for medium faces Crystal, liquid silicone injected skirt and strap Double edge comfort seal Low volume Swivel and adjustable buckles Tempered glasses Please note there will be an additional 2 to 3 days processing time for most RX lenses This Super Quality Scuba Diving Mask is GREAT for better viewing. You can finally see your gauges and gear. Afford to dive.Returns are not accepted for used lens. Only unused lens are eligible for return with store credit.