Pajama 2Pcs:Ellen Tracy Womens Comfortable Fit Gorgeous Set 5% spandex Excellent fabric: 95% Rayon, 5% Spandex; high quality machine washable material. Comfortable and soft pajama top and pants set. Great top features ruffle details at bustline increases the feeling of elegance; Sweet bowknot decor in front for a cute look. Sleep pants has elastic waistband for added comfort.