Car Seat FeaturesRearward facing 61cm to 105cmForward facing 76 to 105cmRequires ISOFIX base, sold separately360-degree rotation (only on base)Part of the Flex Modular SystemMachine washable coverIntegrated Side-impact Protection (SICT)V-shaped headrestAutomatic adjusting harness2-Year warranty when registeredNeed help Read our Car Seat GuideAbout this Car SeatPart of the Britax Romer Modular System, the DUALFIX 3 i-Size Car Seat offers innovation, brilliant design, safety and comfort. Designed to be used from when your little one is 3 months old right through until they are 105cm (approx 4 years old) in conjunction with the FLEX BASE iSENSE (sold separately). The base can be used with the previous stage seat in the modular system series (sold separately) making it a great investment for your little one s future safety too. The DUALFIX iSENSE must be installed on the FLEX BASE iSENSE which is sold separately but gives you 360° rotation makes it handy for getting your child in and