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 max load 85 kg colour blue special features adjustable height expandable to suit growth of baby ergonomic seat adjustable table none max user height 128 cm footrest adjustable adjustable footrest 11 x assembled dimensions 465 x 775 x 47 cm