Child car seat series osann i max sp carry weight 9 36 kg age 9 months 12 years group 123 side impact protection harness system 5 point safety harness padded seat belt padded clasp exterior measurements 45 x 45 x 72 88 seat size 32 x 40 cm weight 7 kg armrest function foldable armrests central belt adjustment height adjustable adjustable headrest 7 x seat reducer cover material polyester slip cover washable cover theme disney