External ABS plastic cover and sponge padding offers maximum protection. And inner provides comfortable wearing.It is for skateboard, roller blading, riding a scooter, and many other outdoor sports. Features - Color: Red. - Material: Sponge. - Size: 12.8 x 8 x 1cm. - Package includes 2pcs knee pads, 2pcs elbow pads, 2pcs wrist pads. - Suitable for boys and girls in a variety of sports. - Suitable for inline skating, skateboarding, cycling, skateboarding wheel slip, riding scooters and other sports. - The hardness of the shell is good. The thickness of the sponge is moderate. - The product is light in weight. The shape is unique. The gas permeability is good. - The pressure is resistant to impact and the protection is effective. Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!