Meets and exceeds the i-size standard by allowing rear facing riding from birth to four years 40-105 cm Recommended for rear facing 40105 cm birth4 years/child weight 18.5 kg Recommended for forward facing 80105 cm/child weight 18.5 kg Seriously strong steel frame and ultra resilient top of the line plastics that combine for superior protection Patented tailor tech memory foam and removable infant head and body inserts offer ultimate side impact security All over side impact protection thanks to Nunas smart SIP system featuring eps energy absorbing foam True lock installation technology make set up swift simple and secure using a vehicles ISOFIX anchor points Crumple zone within the stability leg absorbs impact and minimises force to baby Integrated rebound bar helps minimize rotation during impact 9 position ISOFIX anchors allow for a custom fit and ultra tight installation connection Coloured indicators on the stability leg and ISOFIX attachments minimize user error 360 seat and seven-position recline double as a level loading assistant One hand height adjustable headrest offers 7 positions Integrated ergonomic footrest No re-thread five point harness Harness holders make both entry and buckling simple Included additional airy mesh seat and headrest covers Seat ventilation panels