The seat benefits from ventilation and drainage holes. Adjusts horizontally in three positions.A shackle that also acts as a support handle for the child.The shackle can be removed when the childs weight reaches 10kg.Padding:thermoformed, water repellant.Footrests:height adjustment in three positions.Safety belts:three-point,adjustable in height.Reinforced nylon fastening block.bike seat weight 2.2kg. Comes in blue/red.