They are made of synthetic leather, with luxe quilting within the front, and their sideless design won’t interfere with seat belts or airbags. The AAP states that the safest place for the newborn to snooze is on the agency, flat surface such as a crib, bassinet, portable crib or playard. https://garrettxgmos.blogacep.com/38092179/infant-car-seats-from-the-80s-an-overview