Why buy me? Group 1/2/3 car seat Suitable forward facing from 9kg to 18kg with harness, and as high back booster from 15 to 36kg/12 years Side impact protection provides added security for the head, body, and hips One-hand, 9 position height adjustable headrest Grow Together™ headrest and harness system adjust simultaneously and require no rethreading of harness