Our product will be sent as 1 piece of cotton elastic bed sheet in the specified size (there is no pillowcase in this product) it is domestic production and it is produced from 1st quality knit and 100% cotton combed fabric. our products are 100% cotton. the stretch ratio is 3% in width and length. it does not release or shrink after washing. no need for ironing. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.