The Chicco KeyFit Infant Car Seat is engineered with innovative features that make it the easiest infant car seat to install simply, accurately, and securely, every time. Includes Base For easy, streamlined travel, the lightweight (9 lbs.) carrier clicks effortlessly into the included stay-in-car base for the best in baby travel gear. Easiest to Install Correctly The KeyFit stay-in-car base has a ReclineSure leveling foot and two RideRight bubble level-indicators to help achieve and verify proper angle in the vehicle seat. The base is also equipped with premium LATCH connectors and a SuperCinch tightener for a secure fit with a fraction of the effort! For alternate installation with the vehicle seat belt, clear belt routing and integrated lock-offs make it easy to position, tighten and lock the belt into place. A five-point harness with one-pull tightening helps keep baby secure, and the carrier shell is lined with EPS energy-absorbing foam for improved impact protection. A smooth underside helps protect vehicle seats. Tailored for Comfort KeyFit includes a removable infant head and body support insert to accommodate newborns as small as 4 lbs. The adjustable, removable canopy provides shade from the sun, ideal for baby travel inside and outside the vehicle. Create a Baby Stroller Travel System The KeyFit Infant Car Seat clicks securely into the stay-in-car base and compatible Chicco strollers for a convenient car seat and stroller combo. The carrier secures easily to the stay-in-car base and stroller with a reassuring audible click. A two-position carry-handle and one-hand release make it just as easy to remove.