This 3D bicycle seat cushion cover uses a new vacuum process technology and high density milky foam. It's no harm to health, non-slip, soft and feel comfortable, can absorb the shock, reduce pain effectively, the seat cover is better protect your butt. Anti-Slip Gripping Material On Underside Of Cover, adjustable rope can tight the sadlle, keep the cover steady in a plce, doesn't slide around while riding. This universal bicycle saddle cushion fits for most bike seats, such as mountain bike, road bike and hybrid bike etc. With the expandable drawstring, you can easily secure the bicycle saddle pad on your existing uncomfortable seat. The 3D bicycle seat cover is perfect for bike competitions, exercise-themed functions or corporate sponsored events. Custom logo on the 3D bicycle cushion se