The thick sponge padding can provide maximum comfort and the back rest is safe for children. The cushion is easy to install on most bicycle rear racks. Features: Wide padded seat and backrest ensure comfortable riding position. Thick sponge padding provides maximum comfort. Backrest provides safety for your children. Max. weight capacity: 45kg (99lb). PU leather surface, water resistant and easy to clean. Easy to install on standard rear racks for most bikes. Specifications: Material: PU Leather + Sponge Cushion