Organic Cotton Quilted Mattress Topper with Surrounding Elastic Straps 100% Pure Certified Organic Sateen Cotton, 350 Threads count Organic Cotton Elastic skirt fits pad securely to your mattress. Finest organic cotton inside and out, Extremely soft. NO polyester or non Organic materials. Easy Care. Can be machine washed. size: 38' x 80' x 17'. Pads without fitted skirt, please see listing:B002EX06NM