... Quality Fashion TR90 Optical Frame, Without Any Screw: 1 Certificate:CE 2 Material:TR90 & Imitate Silicon 3 OEM 2013 High Quality Fashion TR90 Optical Frame, ... -12 years old student. 2. Hand made TR90 optical frame, superior craft, TR90 memory material, wear-resistance and anti-impact. Bring ... resilience, lightness and memory, they are a joy to wear.5. Optical Quality---This frame will readily accept a ...