Although I haven't worn them much, they have been stored at home, so please refrain from purchasing if you are sensitive to this. The material is 100% cotton and the fabric is thick. Set of 4 ribbed knit short-sleeved bodysuits, with snap buttons for easy on and off. - Colors: Black, Gray, Ivory, White - Material: Ribbed knit - Design: Short sleeves, bodysuit - Size: ~95cm - Features: Snap buttons Thank you for looking.