The Graco Car Seat Base guarantees your Childs car seat is fitted correctly every time you put your little one in the car. This is a great idea that Graco have because while the base remains in the car you can just unclip the car seat and take it out with out disturbing your baby while they are sleeping and a way you go weather it is in doors or on to a travel system to go round the shops. This is a must have if you have a Graco car seat as it will make your life a lot easier especially where the car is concerned.