Flammi Soft Warm Faux Fleece Bicycle Seat Cover Cushion for Adult Road Mountain Bike Seat Surface of the cushion is covered with soft fine warm faux fleece Underside is fully covered with non-slip tinny particles Hook & loop design and high stretch opening holds the seat cover securely in place Great for cycling in cold weather. Surface Size: Front width about 3"; Back width about 7"; Middle length about 11" A good accessory for most adult road bike, mountain bike, hybrid bike. NOT for exercise bike, beach cruiser