The intelligent, adjustable design allows freedom of movement with both depth and height adjustable seat and footplates. When adjusted correctly, your child is ensured a comfortable and ergonomic seating position at any age. ???Stokke is pleased that our High Chairs are certified by JPMA and meet or exceed all ASTM safety standards. Tripp Trapp chairs are produced in the European Union. All wood and wood based parts are required to meet E.U. Timber Regulations and in so doing, support a responsible forestry and wood industry.