Our Hypoallergenic Pillows are filled with our exclusive USDA Certified Organic Superfine Merino Wool and are covered in 300 Thread Count Pure and great for skin Certified Organic Cotton Jacquard. Organic cotton yarns are also tested according to OKO TEX 100 & GOTS standard to ensure the organic fabric is safe for infants. Recommended Product Care: 1) Washable Pillow Case is strongly recommended. 2) Regular sunning and airing is also great way to take care of our products. The Sun will naturally revitalize and disinfect the bedding. 3) Do not machine wash or dry. Spot clean only with soft brush and mild detergent. Allow the product to air dry completely. 4) Dry cleaning is not recommended due to the harsh chemicals involved in the process as well as the products might shrink and lose their original shape.