Britax Römer Versafix i‑Size is a multi‑stage ISOFIX car seat for 15 months–12 years (76–150 cm). It features ISOFIX & Top Tether installation, Flip & Grow harness‑to‑booster conversion, SecureGuard belt positioning, adjustable V‑shape headrest & recline, plus a quick‑remove, machine‑washable cover for hassle‑free comfort and safety.