The sofa bed cover you have purchased is made of micro polyester. after machine washing at 30 degrees with the detergent you use on a short program, vinegar and dry on a flat surface or on the sofa bed. the fibers will swell and become more fluffy and it absolutely does not leave lair. it will be more beautiful and more stylish after each wash. it is a product you will like and use for years. all tests have been done. more than 100 pieces of stock have been offered to be sold at the campaign price. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.