The group 1/2/3 car seat equipped with a group 1 isofix system fitted with a 5-point harness (9-18kg) which transforms into group 2/3 with an isofix backrest (15-36kg).Easy installation and safe, isofix clamps + top suckle, with good installation indicator side protections that change with the child, including an EPS headrest for better shock absorption padded seat with a comfort cushion adjustable to 7 height positions.Toddler car seat with harness (Gr.1) that converts into a child booster seat with backrest (Gr 2/3)Lateral protection that follows the growth of the child, with an impact absorption head restISOFIX connectors + Top Tether to ensure a safe and solid installationExtra padded seat with comfort cushionMachine washable cover