At less than 17 inches, the Clek Fllo Convertible Car Seat makes it easy to ride 3-across. One of the safest narrow car seats available, the Clek Fllo is packed with industry-leading safety features, including a steel anti-rebound bar, Clek’s patented energy management system – and advanced side-impact protection with deep side wings, energy-absorbing foam layers and an adjustable structural headrest.