Keep your child in a 5-point harness until he or she weighs at least 18 kg (40 pounds) and is able to sit correctly. This may be at 4, 5 or even
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Amazon.com : Chicco MyFit Harness + Booster Car Seat, 5-Point Harness and High Back Seat, For children 25-100 lbs. | Fathom/Grey/Blue : Baby
![Amazon.com : Evenflo Maestro Sport Convertible Booster Car Seat, Forward Facing, High Back, 5-Point Harness, For Kids 2 to 8 Years Old, Whitney Pink : Baby Amazon.com : Evenflo Maestro Sport Convertible Booster Car Seat, Forward Facing, High Back, 5-Point Harness, For Kids 2 to 8 Years Old, Whitney Pink : Baby](https://m.media-amazon.com/images/I/81b9w2Zq3sL.jpg)