As the child grows up he can adjust the bicycle faucet and seat to meet the children's growth and height changes and it is very convenient to grow without changing the car. The seat adopts a multi-layer design that meets ergonomics and hip curves to reduce the discomfort caused by bumps on the road and protect the child's spinal health. Manufacturered by YONGLI. Stylish and generous design the appearance is very beautiful can be given to children give them a healthy and happy childhood they will be very happy. The installation is very simple and can be done easily. High-strength carbon steel production the use of health and environmental protection materials multiple security protection children can use completely assured.