"Extra Cozy Filling - With a 400gsm down alternative fill, this 106x90"" extra fluffy king size winter comforter duvet insert is an excellent and reasonable duvet insert ideal for winter and cold day usage, also for cold sleepers. This winter comforter is graceful yet still providing adequate warmth even on the coldest night. Nothing comforts one person more on a chilly night than cuddling in your bed. Super Microfiber Cover - Made of double brushed microfiber grains. 100% microfiber cover is not only luxuriously soft but also noiseless thus giving you utmost comfort. The fabric feels very soft against your skin, while the carefully-processed fill ensures that the king duvet inserts will not trigger your uncomfort while you are all cuddled up. Baffle Box Stitching - Utilizes the box stitching design to make sure the filling will not shift around inside. This also ensures even distribution of heat within the duvet inserts. Also, it has self-piped edges meant to keep the fiberfill from shifting around uncomfortably while you sleep. Machine Washable - Machine wash in gentle cycle with cold water, sun-dry or tumble dry on low when needed. Superior fabric weaving technology guarantees extra strength, durability, stain resistance, breath-ability, wrinkle resistance and an overall luxurious appearance even after washing. Superior Quality - We are so confident in the quality of our product that we offer a 30-day return plan. If you are unsatisfied, simply contact us to return the product for a full refund."