Product introduction Durable The bike seat is made of durable leather, wear resistant and robust, owning long using life span. Comfortable The bike seat with spring contracture and high density sponge supporting, can bring you wonderful using experience, with good anti-shock function. Hollow design The hollow design is not only cool in appearance but also cool in summer outdoor suing situation, practical for ridding. Easy to install The bike seat is easy to install on double rail seatpost and shrink seatpost, universal and stable. Scope of application The bike seat is a wonderful replacement for the old or broken bike seat, which is practical and economical, perfect for DIY and repairing at home. Specification: Type: bike seat Quantity: 1pc Material: leather + sponge + plastic + steel + iron Color: black Size: 27*20*6cm/ 10.61*7.86*2.36inch (L*W*H) Weight: 640g/ 22.58oz Package: 1* bike seat Water drops on the surface, waterproof design Oversized