This frame size is X-Small with a hinge to hinge measurement of 123 mm. Ideal for narrow faces. FRAME FEATURES: RX7259D feature a square, Havana frame. PRESCRIPTION READY EYEGLASS FRAMES: Ray-Ban eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. CASE & CLEANING CLOTH INCLUDED: Each pair of Ray-Ban eyeglass frames come with a cleaning cloth and case to clean and protect your eyewear from scratches and damage. VISIT THE RAY-BAN BRAND SHOP: Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment.