This video demonstrates how to install the new Britax Kidfix i-Size using isofix. It also shows how to correctly position the seatbelt on the child. We have paired the High Backed Booster with the amazing Kneeguard Kids Footrest to help ensure correct positioning of the child when sat in the seat, and prevent dangling legs.

N.B The minimum age for a child to use a HBB is 4.5 years old, ideally closer to 6yo, due to skeletal ossification, mental maturity and lack of impulse control