100% Cotton 【All Seasons Comforter Size】This BeautyRest feather down comforter has 3 sizes: Twin size 68 "x 90" filled with 40oz; Queen size 90 "x 90" filled with 52oz and King size 106 "x 90" filled with 64oz. The BeautyRest Fluffy Comforter Duvet is a premium all season breathable hotel collection puffy comforter. It is the perfect winter blanket and summer bedding queen. 【Premium Down Comforter】The duvet filled with 75% white feather and 25% white down. Special FreshLoft technical processing makes down and feathers hypoallergenic, making it perfect for those who suffer from allergies.The premium filling have all passed the ADFC, OEKO-TEX Certification, fluffy and odorless. Our duvet comforter is soft, natural, plush, and breathable, ensuring a noiseless and super cozy night's sleep. 【Ultra-Soft Fabric】The BeautyRest duvet comforter cover is made of 240 thread-count 100% cotton Fabric with a light brushed finish for extra softness. The generous down and feather filler could provide you a pleasingly warm and cuddle feel in years of use. You will enjoy a star hotel sleep experience at home with this down blanket! 【Extreme Craftsmanship】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. The 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. 【Use Tips】When take the BeautyRest down comforter off the package, please pat it up gently and wait a few moments for it back to original lofty. Recommend Dry Clean only.