All Organic Cotton Pillow Filled with Organic Cotton Fiber Covered with Organic Cotton Covering - Standard Made from 100% organic cotton and covered by 100% organic cotton sateen. Free from synthetic additivesor toxic chemicals.Wicks away moisture to keep the surface cool and making them a great choice for year around use. Soft, resilient and silky but durable enough to withstand several years of use. Fibers are soft and moldable to hug neck and spine to offer superior comfort and support. Hypoallergenic and hydrophilic.