Since digital printing cannot be made on cotton fabric in the patterned parts of our duvet cover sets, fabric suitable for printing is used. the inner part of the duvet cover and the sheet are cotton fabric. the bed sheet is a solid color unprinted and rubber-free cotton fabric.children's duvet cover set package contents 1 piece of 160x220 cm duvet cover 1 piece of 50x70 cm pillowcase 1 piece of 180x240 non-elastic bed sheet. washing instructions you can wash by hand or in the machine. machine washable at 30 degrees. do not use bleach or stain remover chemicals. it can be ironed with a warm iron. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.