Adjustable shoulder straps, suitable for any helmet, good elasticity, not easy to break. Adopt double PC lens with UV400 protection. The outer edge of the glasses is filled with foam, which is comfortable to wear. Easy to install on helmet.Suitable for all face shapes. Specification Material: Imported ABS frame and sponge and PC lens Color: color, transparent, Accessories: Suitable for half-face or open helmet bikes motocross motorcycles outdoors etc. Note: 1. We provide clear pictures, measure as much as possible, please check as much as possible to make sure the item is what you need. 2. Due to manual measurement, please allow 0.5-1 inch difference (1 inch = 2.54 cm)3. Due to different computerscreens, the actual color may be slightly different from the list picture, thank you for your understanding. Packing List: 1 X Motorcycle Helmet Glasses .Items from Sheng Xinshun's shop