COMFORTABLE AND SAFE:The wide padded seat ensures a comfortable riding position, children can relax when riding.For your safety, please make sure you have tightened the screws and checked them before riding the bike .Note: the support for the seat is not conditional. SOFT AND EASY TO CLEAN:Thick sponge with PU leather made, in rainy days, you don't have to fear that the cushion will be flooded. Just wipe the surface with a tissue and you can continue to use it., The interior contains a thickened sponge cushion, a very comfortable bicycle rear seat cushion to sit on.The bicycle seat and backrest thickened and widened ensure a comfortable riding position. EASY TO INSTALL:A nice sturdy flat bike rack is needed to mount it under this one. This bicycle rear seat easy to adjust on any bike rack, can be used on the standard and universal rear seat for most bicycles. HIGH QUALITY SERVICE:This bicycle rear seat bike is easy to install on the rear rack, universal for most bikes, such as hybrid bike, touring bike, mountain bike, motorized bike, road bike, etc.