One rotating base for 4 years of safety together up to 105 cm in height! The Base Twist rotating base makes life easier for parents and children. The base is compliant with the ECE R129/03 standard. Base Twist is compatible with the Primo Viaggio Lounge and Primo Viaggio SLK infant seats and with the Viaggio Twist car seat. The base rotates in both directions to facilitate installing and releasing the car seat and positioning and removing the child. Indeed, this feature means the car seat can be turned towards the doors of the car on either side. The self-regulating, ratchet-type Isofix connectors ensure proper securing and positioning. Installation of the base is completed by adjusting the supporting leg so that it touches the floor of the vehicle. FEATURES: The base rotates in both directions The self-regulating, ratchet-type Isofix connectors ensure proper securing and positioning Base Twist is compatible with the Primo Viaggio Lounge and Primo Viaggio SLK infant seats and with the Viaggio Twist car seat. DIMENSIONS: H: 22.5cm x W: 41cm x D: 58cm Weight: 7.2kg