COMFORTABLE AND SAFE SEAT CUSHION:The wide cushioned 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. cycling.Note: luggage rack for the seat is not provided. EASY TO CLEAN MATERIAL:Thick sponge with PU leather made, on 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 BUCKLE DESIGN: A nice flat and sturdy bike rack is needed to mount it underneath. This bike rear seat easy to adjust on any bike rack, can be used on standard and universal rear seat for most bikes. UNIVERSAL DESIGN REAR SEAT:This rear seat rack is easy to install on the rear rack, universal for most bikes, such as hybrid bikes, touring bikes, mountain bikes, motorized bikes, road bikes, etc.