The elastic design of the elbow conforms to the human factors, which brings the effect of buffering and pressure relief from the upper and lower sides. Product size (length * width): approx. 18 * 19.5 cm/7.08 * 7.67 inchesReduce the friction between the hips and the seat cushion, making the rider feel comfortable Main product featuresGive more free space, make the lower body relaxed, no burden, good for healthIt has better shock absorption effect when pedaling, and riding is no longer laboriousIt is suitable for long-distance riding and short-distance riding. Product Specification:Material: PVC+PP+SteelColor: as shown in the pictureSize (length * width): approx. 18 * 19.5 cm/7.08 * 7.67 inchesWeight: approx. 410 gramsPackage includes:1 * Bicycle seat