This is a set of three long-sleeved bodysuits. My baby turned out to be bigger than expected, and the clothes were outgrown before they could be worn. They have only been washed, and have not been worn. The size is listed as 60, but it says 3M (around 3 months) on the label. Please check the photos. For this type of underwear, if the baby's neck isn't quite stable yet, it's convenient to fasten the crotch snaps first and put it on from the bottom! If the neck is stable, you can put it on from the top. It's a shame to waste them, so please consider them if you don't mind the small details! Baby clothes Bodysuit Baby Underwear Boy Girl H&M Uniqlo H&M Petit main Sleeve Length: Long sleeve Sleeve Length: Short sleeve Sleeve Length: Long sleeve Design: Solid