A. 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. B. Product size (length * width): approx. 20*18 cm, Reduce the friction between the hips and the seat cushion, making the rider feel comfortable C. Main product features: Give 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. D. Specification:Material: PVC+PP+Steel;Color: black, red, blue(optional) E. Package includes:1*Bicycle seat F. Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding 2. The color may vary depending on the display. Please understand G. Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.