Ever wanted to give a friend a ride on your bicycle with companion bike seat ? Now your bike has two seats . You get a passenger seat for your bike. Extra wide anatomical seat design. Universal mounting system works with most road cruiser exercise and mountain bikes. Whether you're a mountain bike or family bike for leisure use,it can also let you have a nice experience. Specifications: - Comfortable - With velcro quick release design - Quick installation and removal - Material: Thick sponge - Color:Black - Size: 36.7*17*4.5cm