The Isofix car seat and Top Tether with double type approval: 1 - 12 years (9 - 36 kg).
The Viaggio 1-2-3 Via car seat was specifically designed for cars equipped with Isofix and Top Tether attachment points. Viaggio 1-2-3 Via guarantees safety in all sensitive body parts. Double type-approval.
Check the list of car models equipped with ISOFIX attaching system: