Why is the Joolz BeSafe iZi Modular i-Size base suitable for newborns up to 4 years?

The Joolz iZi Go Modular by BeSafe is part of the iZi Modular concept , the new innovative child safety system from BeSafe, used from newborn up to approximately 4 years! To grow along with your baby  they have developed  the iZi Modular i-Size base which is compatible with the Joolz iZi Go Modular by BeSafe as well as te BeSafe iZi Modular i-Size toddler seat.