Choose the best isofix protection maxi cosi has to offer this package includes the pebble group 0 infant carrier for birth to 12 months and the pebble group 1 for up to 4 years both seats fit into the familyfix isofix base so just switch seats when your little one is ready to move up the pebble fits in to any maxi cosi or quinny pushchair to form a travel system so you can go from car to stroll without waking babymaxi cosi pebblethe maxi cosi pebble is suitable from birth to 13 kg appro