Peepers Women's Prepster 968100 Rectangular Readers Imported Plastic frame Plastic lens UV360 coating Lens width: 48 millimeters Bridge: 17 millimeters Arm: 140 millimeters Lenses are prescription ready (rx-able) Spring hinged for more comfortable fit Aspheric lenses with anti-scratch and uv360 coating Lenses are prescription ready (Rx-able)