Unique air vent reduce stress on sensitive parts. Groove design, docile and strong The bottom of the dual-spring design, high elastic damping Punching high-density foam, comfortable touch Microfiber leather, wear-resistant, anti-scratch Inner layer made of fabric with glue points to ensure no slip . Interlayer made of thick soft foam , comfortable, durable. Put it over your existing seat, cinch it up, and hop-on. Suitable for mountain bike. Surface layer is skid and anti abrasion. Product Name: Wide Bicycle Seat Materials: Artificial skin Color: black Size:26*21cm /10.23*8.26inch Package Included: 1 x Bicycle Seat Cushion Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.