Prescription RX-ABLE. You can put your own prescription lenses in these frames, with the help of your local optomitrist PLEASE NOTE: LENSES COME DEMO PRINTED AND ARE NOT BLANK!!! * Eye Size 54 .Bridge Size 15 .Temple Size 145 .Spring Adjustment on Frame: Yes * Tortoise Color * Stainless Steel and/or Acetate Mixture Material * Free Storage Case and Cleaning Cloth Included with Purchase