DUVET INSERT-White comforter,queen size comforter measures 90x90 inches.100% microfiber fabric,more soft and breathable.BOX STITCH DESIGN-Using unique stitching technology,the box-shaped stitch design minimizes the possibility of filling displacement, and there is no need to worry about the leakage of the filler or the loosening of the thread,makes the bedding comforters more durable.PREMIUM FILLINGS-Our down alternative comforter is filled premium microfiber,fluffy and soft.There is no unpleasant smell and sharp feathers of a down comforter,but it is as comfortable as a down comforter.This is a good choice for those who cannot use goose down and feather bedding.YEAR-ROUND USING-The ultra-soft king comforter suitable for year-round use.This duvet insert is fluffy and light,it will not be too hot in summer;at the same time,it is very warm,even in the cold winter,it can keep warm and provide you with a comfortable sleep.MACHINE WASHABLE-This duvet insert can be machine washed,easy to care and clean.Machine wash in cold water and low-temperature drying can save you a lot of time and energy.