Guess Eyeglasses. Series number: GU2563. Color code: 049. Color: Demo Lens. Shape: Rectangular. Lens Width: 49 mm. Lens Bridge: 16 mm. Arm Length: 135 mm. Frame Material: Metal. Frame Color: Brown. Lenses Type: Demo. Rim Style: Full-Rim. UPC/EAN code: 664689787838. Guess Demo Rectangular Unisex Eyeglasses GU2563 049 49.