Sleepwear (Pack of 2) Womens Pajama Pants Extremely high quality fabric: 94% viscose, 6% elastane; 95% viscose, 5% elastane; Machine washable. Very high quality womens - satisfaction guaranteed! Fabric covered elastic waistband for added comfort (One of them the waistband with drawstrings). Relaxed styling provides a comfortable and casual fit; Please check size chart in product images.