For indoor skating and skateboarding street sports safety. Protects your palms from injuries! Velcro type makes it easy to put on. Fits perfectly in the palm. Wear it with a helmet for added security. Product Description: Material: Plastic, sponge, etc. (perfect for the palm of elementary school students to middle school years). *There may be individual differences depending on the physique. Country of Origin: Made in China; Set Contents: 2 pieces.