Car Seat Blanket?

Angela

I know putting at baby in a car seat with a bulky coat is a big no no, and covering them with a blanket seems to be the best way to go.

However I just spotted these car seat blankets on Etsy that allow the buckles to slip through the blanket, allowing you to surround them a bit more.

I’m just not sure if it seems safe. What do you guys think?