Be safe izi go modular is an innovative infant carrier and is part of the be safe modular system concept which includes an infant carrier from birth up to 15 months an isofix base and a next stage seat from 6 months to four years all sold separately izi go modular conforms to the new eu standard r 129 i size which offers increased safety and protection for your child simple installation with the isofix base sold separately and can also be fitted using a 3 point seat belt for use in all