Family adventures don't have to wait - start strolling as early as 1 month with Burley's Baby Seat Insert. Installation is quick and secure and soft materials keep infants cozy and safe while they go along for the journey. Intended age: 1-10 monthsSoft hammock seat keeps infants cozyBreathable mesh sides keep little ones coolSecure 5-point harnessQuick and easy installationConnects to Burley trailers that have a 5-point harness