Specification: Color: Silver Plated, Color Plated, Gradient Blue (optional) Material: Acrylic Facial area: approx. 30 * 20cm Size: 23 * 25 * 10 cm Feature: Acrylic lens has a very strong toughness, also as safety glasses. Lightweight, easy to carry. wear-resistant, clear, no distortion, you can flip up and down. Optical index, light transmittance, UV protection up to standard. Package includes: 1 x Motorcycle Flip Up&Down Helmet Lens + Transparent Base