This Group 0+ rear-facing car seat has a reducing cushion for newborns. It is usable, back to the road from birth until 15 months. Associated with Britax's Isofix i-Flex base, he is the reference on the hull market thanks to a score of 1.7 on the ADAC 2018 tests. Without the base, he is installed back to the road with the safety belt. . The rental allows access to recent car seats and very good quality. Compatible with the Britax B-Agile 4 stroller. Combine with the ISOFIX Flex i-size base of the Britax Baby Safe2 i-size only if you want an ISOFIX fixation. Otherwise, the car seat will be fixed with the vehicle seat belt.