Designed to international best practices for extended rear-facing use up to 50 pounds, and comes standard with a steel anti-rebound for enhanced safety performancenREACT (Rigid-LATCH Energy Absorbing Crumple Technology) safety system delivers rear-facing safety performance in a forward-facing seat; This aluminum honeycomb technology absorbs the energy from a collision, reducing the forces transmitted to the childnRigid-LATCH system makes proper forward-facing installation effortless, allowing you to remove and install your seat in seconds and with peace of mindnAdvanced side-impact protection protects the child in a side-impact collision with its adjustable structural headrest with deep side wings, energy absorbing foam layers and complete metal substructure.Tailored in GREENGUARD Select Certified Crypton Super Fabrics, which provide permanent protection against stains, moisture and odor-causing bacteria; and are free of brominated and chlorinated flame retardantsnSeating height:21.5-26 innThe Clek Foonf is the mother of all car seats. Its patented REACT (Rigid-LATCH Energy Absorbing Crumple Technology) safety system revolutionizes forward-facing safety by significantly reducing the forces transmitted to the child in a collision, and delivering 'rear-facing like' safety performance. Foonf offers an industry-leading extended rear-facing use up to 50 lb., complete with a steel anti-rebound bar for enhanced safety performance. And, its tank-like construction features a complete metal substructure, dual layers of energy absorbing foam and adjustable structural headrest for advanced side impact protection. Innovative convenience features like rigid-LATCH makes proper forward-facing installation effortless. At less than 17 in, it makes 3-across installation possible in most vehicles. The Foonf is tailored in GREENGUARD Select Certified Crypton Super Fabrics, which provide permanent protection against stains, moisture and odor-causing bacteria; and are free of brominated and chlorinated flame retardants.