It is 100% cotton. the yarn is dyed. it has been washed with a special washing technique. the duvet cover and pillowcase have wooden buttons. set includes: duvet cover 200x220 cm / bed sheet 240x260 cm (beige solid color) / pillowcase 2x50x70 cmmachine washable at max 30 degrees. no bleach. medium degree it can be ironed at high temperatures. it can be dried in the machine at low temperatures. it does not cause discoloration or fading. it does not shrink. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.