DOT approved for US safety standard. Lightweight ABS shell. High density buffer layer and removable visor. Adjustable D-ring and chin strap holds the helmet securely on your head. Very comfortable/light-weight helmet. Specification: Product Name: Motorcycle Helmet. Color: Matt Black, Bright Black, White. Material: ABS, high density EPS. Style: Half Helmet. Helmet Size: 26x15x12cm. Size Guide: How to Measure: To ensure proper sizing, please do the following: Take a head measurement with a cloth tape measure. Wrap tape measure around your head one inch or 25mm or 2.5cm above your eyebrows, directly above your ears and to the widest area at the back of your head. The widest measurement will give you your helmet size. If you dont have a tape measure, you can use a piece of string and measure using a ruler. Note: 1. We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement. (1inch=2.54cm) 3. Instruction is not included,professional installation is highly recommended. Package Included: 1 X Helmet