Shock Resistance: The protective butt pads are 3D filled with a thickness of 25mm for perfect protection. It's the right size and designed to protect children under 12. [FLEXIBLE ADJUSTABLE]: The protective butt pad comes with an adjustable elastic webbing with buckle closure so you can adjust it to the best position according to your needs. Fastening method: buckle protected fit Easy to wear and remove: The protective butt pads are made of high-quality materials, light weight, comfortable to wear, durable, easy to wear and remove. [OUTDOOR DESIGN]: These stylish protective pads can wear more equipment for the user while exercising, ideal for roller skates, sports, skiing, snowboarding, skiing, etc., to protect your child's buttocks.