Folding high chair adjustable high chair series chicco polly 2 in 1 material plastic recommended age 6 chair weight 10 kg harness system 5 point safety harness special feature adjustable height seat padded adjustable seat height 7 x table removable footrest adjustable adjustable footrest 3 x features food tray footrest belt assembled dimensions 82 x 535 x 104 cm folded dimensions 255 x 635 x 92 cm care instructions hand wash