The Maxi-Cosi Nova convertible car seat is suitable for newborn to 4 years of age (approximately) and offers comfort and safety without compromise including up to 30 months extended rearward facing and patented Air Protect superior Side Impact Protection technology. Featuring ISOFIX for simple and secure car installation, an integrated Harness System and head rest adjusting the harness height easily and without the need to remove the seat from the car. It all starts here with your Maxi-Cosi Nova convertible car seat