The Urbini Sonti offers a simple, secure installation and lightweight design that makes getting in and out of the car a breeze. The extra-grip belt lock-off removes unwanted slack, while the four-position base adjusts to every vehicle, providing worry-free installation for new parents. Comfortable fabrics, five-point harness and removable preemie insert keep baby snug and secure. Plus, the Sonti fits the Urbini Swiftli and Reversi strollers and the Omni Plus and Emi travel systems.