Soft 100% cotton top with temperature-regulating NaturaWool fill. Antimicrobial and hypoallergenic. Ideal for all season use. Maintain hygiene with easy machine washing and drying. A pure sleeping pleasure, our Protective Bedding keeps dust mites, mold, mildew, fungus, and bacteria from traveling between sheets, pillows, blankets, and mattress. Natura Protect bedding is made with FDA approved Natura Protect Silver Technology.Soft 100% cotton top with temperature-regulating NaturaWool fill. . . . Imported.