Impact Resistant Cushion: Reduce the contact and impact when your kids' body hit the danger surface Lightweight with Quality Material: Made of quality foam padding,Anti slip hollow design on the back, which is breathable and aims to increase surface friction, having more fun while playing Adjustable Size with Elastic Fabric: Adjustable size with quality buckle, which is easily adjusted, easy to take on and off. The soft and elastic fabric to wear it more comfortable Extended Full Protection: Triangle design with extended padded ensure full protection. foam paddings throughout the hip and tailbone areas increase impact resistance and toughness. Gift for Your Kid: A wonderful gift for your kids friend who like sports, such as skiing, snowboarding, ice skating, figure skating, roller skating, skateboard, scooter, hockey, most indoor and outdoor sports. Specification: Material: Foam Size S Fit For 4-10 Year Old Kids; Size M Fit For Adult. Size Chart: S: 46cmX25cm/18.11inchX9.84inch M: 54cmX30cm/21.26inchX11.81inch Package Includes: 1 Piece 3D Padded Protection Hip Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!