Infant car seat provides three ways for baby to join in on family adventures, from 4 to 35 lb and up to 32" Attach to your favorite Baby Jogger stroller to create a travel system Install car seat in seconds with RAPIDLOCK Base easy installation technology Taxi-safe belt path eliminates the need for a car seat base, and allows for an easy, secure install while on the go SecureStop Anti-Rebound Bar provides an added layer of safety One-hand adjustable headrest with no re-thread harness; quiet canopy design ensures baby is not disturbed TRUE Test Plus safety standards help protect baby in rollover, side, front, and rear collisions; engineered & crash tested to meet or exceed US standard FMVSS 213