1 Double Duvet is produced for Single Duvet Covers measuring 200x220. Its size is 195x215. (The difference of 5 cm is for the duvet to fit inside the cover.) Although the duvet weighs 2150 grams on the scale, its inner filling is 300 grams/m2. These measurements are standard (most commonly used) measurements. The outer fabric is made of special Microfiber fabric. It is recommended to use with Duvet Cover Set. There is high quality 1st quality fiber in the inner filling. It is made of microfiber fabric and is light, fluffy and soft. It has air permeability. It does not trap dust mites - thus preventing allergens. It does not cause sweating. It can be used for many years. The product is sent in vacuum. Once the package is opened, it becomes ready in a short time. It can be dried in the dryer.