100% Cotton 350 Thread Count Solid Sateen Down Alternative Comforter with Staintech Treatment provides year-round comfort. 350 Thread Count Sateen cotton shell casing is soft and comfortable. Hypoallergenic down alternative comforter provides warmth and softness of down while minimizing allergic reactions. 350 Thread Count Deluxe Down Alternative Comforter Box stitching to prevent fill from shifting Staintech Treatment helps keep the comforter clean Solid Color Sateen Weave with 100% Cotton Shell Casing Hypoallergenic Garnetted Polyester Fill