Although some auto seat covers don’t have a slot for your seat belt lock, these covers do for all the seats. They’re airbag-compatible. He is a thicc toddler and now weighs in in a cool eighteen pounds at three months (Jets, strike us up, you could possibly use his expertise!) https://sites2000.com/story8531815/details-fiction-and-cars-with-big-back-seats-for-car-seats