While some car seat covers don’t have a slot with the seat belt lock, these covers do for all the seats. They’re airbag-compatible. The AAP says that the safest place for a baby to rest is over a business, flat surface such as a crib, bassinet, portable crib or playard. https://troyfylwg.thechapblog.com/32019990/not-known-factual-statements-about-car-accessories