Does anyone know what group 3 seats have a harness strap that can be used after 18kg?
DS is only 3.4 and (just) too heavy for his current car seat. But he seems far too young to only have a seat belt on. If anyone knows a seat that we can keep on using a harness with, it would be very appreciated! The only ones that I've found so far are over £200 and not really affordable 