The koo di pack it range as expanded with the new sun amp sleep infant car seat cover this car seat cover has been proven to block out 93 of all harmful uva and uvb rays which are potentially harmful to newborns soft and delicate skin being a universal seat cover the koo di pack it seat cover will have no trouble fitting the vast majority of infant car seats also being easy to fit and adjust parents will have no difficulty applying it each car seat cover comes packed in its own integrated