Adjustable high chair step highchair adjustable seat and footrest dimensions w 465 x h 775 x l 47 cm series stokke tripp trapp material beech recommended age 6 special features adjustable height expandable to suit growth of baby ergonomic seat adjustable table none max user height 128 cm footrest adjustable features without food tray footrest without footrest assembled dimensions 465 x 775 x 47 cm