Generic Bicycle 3D Silicone Gel Thicker Soft Seat Saddle Cover Cushion Pad Model A Material: Ultra Soft Silicone Gel and fabric with glue points Designed to fit all sizes of standard bike seat including mountain / exercise training bikes Drawstring cords for quick and secure fitting to the seat Easy to fit and takes only seconds to attach and remove Durable, anti skid and anti abrasion