"the outer fabric of the quilt is interlining and the inner filling is 100% pure silicone. it provides long-lasting use in the duvet cover." " the filling of the quilt is high quality and healthy siliconized fiber. it absorbs moisture and humidity and keeps the metabolism in balance. it allows you to sleep more soundly. it is definitely not deformed after washing, it is not crushed and does not smell. it is shipped in vacuum bags. when you open the bag, it swells up and takes its normal form. our products are in the following conditions. we recommend that you wash this product: ***wash this product alone before using it. more than 100 stocks are presented. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.