Britax Römer - Based on test winner KIDFIX III M (test winner Stiftung Warentest/ADAC 06/2019 in the 15-36kg category. "GOOD" rating of 1.7) the KIDFIX III S is suitable from approx. 3.5-12
Britax Römer Child Car Seat Kidfix i-Size Golden Cognac | kidsroom.de