... choose from them to promote:100%polyester,65%cotton with 35%polyester,100%cotton,100%combed cotton,100%semi-combed cotton ... with 8%elastane,micro-polyester,nylon,bamboo,andmodal mixture.Sizes: S,M,L,XL can be ajusted as your own size ... your own designs or we made designs for yourapproval Kid's underwear-RXK5