Snuggle Me Organic Covers are made with GOTS certified organic cotton fabrics and are USA made and hypoallergenic with a hypoallergenic polyester fiber fill. Using organic cotton keeps baby's environment safe and non-toxic during their most crucial developmental years. Organic cotton is a fantastic material to have around your baby! Organic cotton is comfortable, warm, breathable and very rarely the cause of allergies. It also protects your baby against all of the harmful effects of synthetic materials or chemically treated cotton.