9kgs – 36kgs. The seat that grows with your child for a 10-year journey! Gro-up 123 is the Chicco Group 1/2/3 child seat homologated according to the ECE R44 / 04 regulations for the carriage of children weighing between 9 and 36 kg. The headrest and belts that are adjusted simultaneously and the padded materials offer optimal comfort and safety for the entire period of use. Removable and washable at 30 °.