The Chicco Key 1 X-Plus is a forward-facing Group 1 child car seat, suitable for children weighing 9-18kg (around one to four years old). It comes in two forms - the Key 1 Isofix, secured using the Isofix mounts and this one, the Key 1 X-Plus, secured using the adult seat belt. To find out how well it performed in the Which? Child Car Seat tests, read the full review.
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