Graco Slimfit car seat. Clean and limited wear. Mfg date 2016, so according to manufacturer logic it "expires" this year, but there is no evidence that age alone has any effect on safety except in the case of improved regulation. See more information here: https://www.marketplace.org/story/2019/11/14/is-there-any-data-that-says-secondhand-car-seats-arent-safe