About this item Durable & Safety - ZIONOR skateboard helmet made of impact-resistant ABS out shell and shock-absorbing EPS core. It can extremely durable to completely protect your head Removable & Washable - The youth/teens skateboard helmets come with the removable inner lining, which can prevent sweat from dripping on your face, easily wash and maintenance Lightweight & Ventilated - The lightweight design of the skateboarding helmet feature 11 vents that will improve the flow-through air to keep you cool even in the hot weather Multiple Adjustment & Comfortable - The scooter helmet comes with the adjustable strap and spin dial knob, which can ensure the maximum fit and comfort. And the reflective strips also can protect you from dangerous especially at night or in low-light areas Different Sizes & Multi-sports - ZIONOR skating helmets are suitable for kids, youth and adults. There are 3 sizes: Small (18.1-20 in) for ages 2-6, Medium (20-22.8 in) for ages 6-14, Large (21.3-23.6 in) for above ages 14. Ideal for skateboard, roller skating, inline skating, scooter, etc.