Angelina Cozy Pajama Pants Long pajama pants with elastic drawstring waistband 100% fleece polyester. Super soft and cozy material that is very soft against the skin. Machine wash, tumble dry low Also available in sets with matching tops (ASIN: B009QS00I4) Available a VARIETY of COLORS and PATTERNS. General sizing guide corresponding to US dress size is: Small (0-2), Medium (4-6), Large (8-10), X-Large (12-14), 2X-Large (14-16), 3X-Large (16-18), 4X-Large (18-20). Made of 100% Polyester. Machine wash, tumble dry low.