BabyLo Zummi Isofix Base The Zummi Solo ISOFIX Base provides a simple and useful way to easily install the Solo car seat (sold separately). The Solo ISOFIX Base is designed to be incredibly easy to use as the car seat simply clicks into place. Install it in the car with a simple click attachment and for extra safety, there is an easily adjusted support leg. The Solo ISOFIX Base is compatible with the Solo car seat (included with Zummi Solo Travel System). Features Tested and approved to ECE R 44/04 Semi Universal ISOFIX Class D Maximum user weight: 13kg Compatible with Zummi Solo Car Seat (sold separately) (included with Zummi Solo Travel System) Weight: 4.57kg Dimensions: 59L x 30W x 22H cm