Serene Convertible Car Seat (Birth To 4 Years)The InfaSecure Serene is an A2 Rearward Facing seat, allowing for Rearward Facing to a large 12 month old, and then Forward Facing to a large 4 year old. It's nice and compact at 44cm across the widest point, making it great for 3 across installs and small cars. Air Cocoon Technology (A. C. T.) The Serene features Air Cocoon Technology (A. C. T.). This enhances side impact protection through blow moulding design, dramatically reducing the impact