●Uses: Ideal for sports such as skating, skateboarding, skiing, roller skating, inline skating, snowboarding, etc ●High impact resistance Material is EVA 20mm thick. Product weight is 150g, made of super light material ●Age is suitable for ages 3-10. 15-35kg Children ●Adjustable buckle and strap Easy to install and remove ●Provides more safety and protection for your childs butt during sports