100% COTTON COVER -- Made by 233 thread count organic cotton fabric and filled with premium feathers and down, our classic all season feather down comforter is soft, breathable, warm, fluffy for your cozy sleep. YEAR-AROUND COMFORTER --The FULL/QUEEN bed feather down duvet is 90x90 inches and 55oz fill weight. This all-season feather down comforter is medium weight and can provide medium warmth, no matter summer, autumn, spring or winter night. STYLISH DESIGN-- End-to-end sewn through box quilting keeps the fillings from shifting and keep the feather down quilt never any clumping or cool spots. Quilted with 4 corner tabs for easy attach duvet cover. Double-stitched edge for adding style and durability. PREMIUM FILLING -- We strictly select responsibly-harvested feathers and down fillings (90% waterfowl feathers 10% down) and ensure that our feathers and down are washed clean, leaving them fresh, fluffy, and with the highest level of purity. This duvet insert is suitable for your dreamy sleep. EASY USE -- Machine washable and dryable. Recommend spread the feather down duvet for a few hours or tumble in the dryer for 10 minutes with a low temperature at first-time use. Make the cotton fabric bloom and soften. Use the feather down comforter as a stand-alone comforter or duvet insert with your favorite cover.