They're made of artificial leather, with luxe quilting over the front, as well as their sideless design won’t interfere with seat belts or airbags. He's a thicc baby and now weighs in in a cool eighteen pounds at three months (Jets, hit us up, you could potentially use his expertise!) https://devinbvofv.thezenweb.com/infant-car-seats-from-the-80s-an-overview-70790219