Design high chair try converts into youth chair tool free adjustable foam cushion support scaled for dinning table height material plastic recommended age 6 harness system 5 point safety harness max load 25 kg special feature adjustable height seat adjustable adjustable seat height 2 x tables removable adjustable adjustable food tray 3 x max user height 122 cm footrest adjustable adjustable footrest 3 x features food tray footrest belt assemb