GX by Gwen Stefani Optical Isobel GX029 Navy Tortoise - NAV 51 - 17 - 135 Details Female Rectangle A: 51 B: 36 ED: 54.5 DBL: 17 TEMPLE: 135 Front: Cellulose Acetate | Temple: Cellulose Acetate Features & Benefits Signature Temple Tips Progressive Friendly Spring Hinges Demo Care To remove any residue from your frame use a little bit of water and wipe the area with a microfiber lens cloth to avoid damaging the frame and lenses Recommendations Loading