DIMENSIONS: cushion 1362 in, backrest 6.74.31.5 in, armrest 97 in, footrest 4.252.4 in, please check the dimension of your biycle before ordering. MADE OF HIGH QUALITY MATERAIL: PU Leather + Sponge + Wooden Board(cushion and backrest); Steel + Plastic(armrest); Steel(feet pedals). Thick sponge makes it very comfortable and PU Leather for easy clean, neat appearance make travel fashionable and full of fun. COMFORTABLE: The wide padded seat and backrest ensures a comfortable riding position; the armrest handrail and foot pedals added security for safety, kids can lean back and relax when you are riding. EASY TO INSTALL: It is easy to install on bicycle rear rack, universal for most bikes, such as Hybrid Bicycle, Touring bicycle, Mountain Bike, Motorized bicycle, Touring bicycle, Hybrid Bike, Road Bike and so on. ATTENTION: bike rack not included, for your safety, please tighten the screws and double check it before riding.