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 inches Reduce the friction between the hips and the seat cushion, making the rider feel comfortable Main product features Give more free space, make the lower body relaxed, no burden, good for health It has better shock absorption effect when pedaling, and riding is no longer laborious It is suitable for long-distance riding and short-distance riding. Product description Specification: Material: PVC+PP+Steel Color: as shown in the picture Size (length * width): approx. 18 * 19.5 cm/7.08 * 7.67 inches Weight: approx. 410 grams Package includes: 1 * Bicycle seat