Cotton FILL MATERIAL: Royal Luxe comforter fill with 90% white goose feather and 10% white goose down clusters combine to trap heat and provide excellently “just-right” year-round sleeping comfort. The 100% pure cotton and 240 thread count provide a soft, breathable, skin-friendly feeling and make the duvet comforter feel more delicate. ALL SEASON WARMTH COMFORTER: Layer your bed in luxury with this Kathy Ireland white goose feather and down comforter with Medium-weight for All-Season Warmth. The premium filling have all passed the ADFC, OEKO-TEX Certification, fluffy and odorless. DESIGN IN DUVET: With End-To-End sewn-through box construction, the down could be evenly distributed in its proper place and keeps the down from shifting. So you always have a plush, fluffy comforter that retains its shape. Kathy white down comforter has 4 Corner Loops, which is very convenient for attaching a duvet cover and anchor the down comforter from shifting. All our comforters feature self-piping stitching to enhance their durability and prevent the down from sneaking. CARE TIPS: Recommended Dry Clean only. Feather and down are natural materials that, with proper care, can last for several years. When you taking the duvet comforter off the package, please pat it up gently and wait a few moment for it back to original lofty. SIZE OFFERED : The Royal Luxe duvet insert has 3 sizes offered: Twin size 68" x 88" filled with 44oz; FullQueen size 88" x 88" filled with 56oz; King size 104" x 88" filled with 68oz.