The My Child jet Stream is suitable from 9 months - 12 years. The My child Jet Stream features a one pull 5 point harness system and side armour protection. The My Child Jet Stream car seat features 5 recline positions, 5 height adjustable head support, integral seat belt guides as well as 3D foam padding. The My Child Jet Stream car seat can convert to a high back booster seat and it also has a head cushion and seat reducer insert.