The Sleep Philosophy down alternative comforter collection features 3M Thinsulate Featherless Insulation-600 Fill Power, a kinder alternative to natural down. This revolutionary, loose fill-down alternative mimics or surpasses the performance of natural down in Fill Power, loft and overall performance. Made of durable, lightweight polyester fibers, 3M Thinsulate Featherless Insulation provides warmth without a single feather, while maintaining warm and fluffy over time.The Sleep Philosophy down alternative comforter collection features a silky-soft 300 thread count, 100% cotton sateen cover. The comforters have sewn through diamond quilting so that the down-alternative fill doesn''t bunch or shift. Four corner loops on the comforter can be tied to help secure it within a duvet cover. They''re also hypoallergenic so you''ll have a comfortable "sneeze-free" night''s sleep. It''s also machine washable for easy care. This comforter is also OEKO-TEX certified, meaning it does not contain any harmful substances or chemicals, ensuring quality comfort and wellness. Items in the set may come in a rolled or compressed packaging, which will need to be fluffed up or steam ironed before use to remove wrinkles.Great sleep, it never goes out of style. That''s our Sleep Philosophy.Size : 1 Comforter: 90x90"Material: 300 thread count 100% cotton sateen, self cord, single needle, diamond quiltingFilling: 3M Thinsulate featherless fiberFeatures: Patented 3M Thinsulate featherless insulation-600 fill powerHypoallergenic fillingA kinder alternative to feathers, recommended by ducks and geeseMimics look and feel of natural down Maximum warmth comforter for cold weatherSilky soft 100% cotton sateen face cover in 300 thread countClassic diamond quiltingCorner loops secure insert to duvet coversThinsulate fill weight twin 36 oz, full/queen 49 oz, and king 59 ozOeko-Tex Certified, includes no harmful substances or chemicalsConveniently machine washable