? Quality material - environmentally friendly PP material, high quality high carbon steel, safe, non-toxic, stable, easy to clean ? 6-Height Adjustable - Seat cushion can be adjusted height (6-level adjustment), suitable for 23-35 inch (60-94cm) baby, comfortable and breathable, prevent O-leg ? Foldable - Easy to fold and carry, no other tools required. Small space requirements, simple home s..