This sleep shirt is made of 100% silk charmeuse, which is one of the finest silk fabrics. It is perfect silk for sleepwear. Roomy fit with button-fount and patch pocket. The ultra fine woven texture with shining look is especially luxurious and elegant. Machine or hand wash cold; Press with steam to maintain the best hand-feel. Or dry clean.Size available for this style: S,M,L,XLStyle #562CK