It is 100% cotton. no chemicals are used during the production of the fabric. it is natural. it has been washed with a special washing technique. its fabric is 56 strands. set includes: duvet cover 100*150cm / bed sheet 120*160cm / pillowcase 35*45cm(1 piece)machine washable at max 30 degrees .do not use bleach. can be ironed at medium temperature. drying can be done in the machine at low temperature. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.