Uniqlo Long Sleeve Undershirts Size 80 Set of 3, bulk sale The darker pink one is Heattech. The lighter pink one is 100% cotton. The white with pink dots has the tag cut off. (100% cotton) There are no noticeable stains, but please forgive any oversight as I am a private seller. These are used items worn by a child, so please refrain from purchasing if you are concerned about the details. Thank you for your understanding of these used items stored at home.