I'm selling these because my child has outgrown them. Blue & Gray: Size 90 Yellow: Size 80 The size labels are as above, but as you can see in the fourth photo, they are almost the same size. The sleeve lengths are also almost identical. I didn't see any noticeable stains, but they do show signs of wear. There is writing on the tags. For those who understand that these are used items, and for those who want to buy them cheaply for daycare. They are not flimsy T-shirts, but rather thin sweatshirts. Daycare Baby clothes Children's clothes Long sleeves Spring clothes Autumn clothes