Toddler car seat, suitable from 6 months to 4 years (approximately 67 cm - 105 cm) This rearward-facing car seat must be used with the Maxi-Cosi FamilyFix One i-Size ISOFIX base i-Size safety: Rearward-facing travel up to 105 cm for enhanced protection of head and neck Car seat base, suitable from 0 months to 4 years Must be installed in combination with Maxi-Cosi Rock, Maxi-Cosi Pearl Smart i-Size or Maxi-Cosi Pearl One i-Size Complies with the latest i-Size (R129) car seat legislation, due to rearward-facing travel up to 105 cm (4 years)