Cover is 100 natural cotton. Filling is 100 percent natural silk. Silk is the least allergenic of the natural fibers. Perfect for sleepers with high body heat. Recommended for lightweight warmth and suitable for year round use. Natural silk is light and very supple and constantly equalizes temperature. The natural silk filling has natural cooling properties. Degummed silk threads have a very high permeability to air. Silk absorbs moisture well and quickly. Moisture is quickly released as silk is fast drying. Dry clean only. This is an all natural product. Made in Austria. Usually ships out within 4 business days. SHIP CODE- MF