This pair of flower pillowcases is made from silk (not satin, silk) material. The flowers on each pillowcase are made from velvet. Each pillowcase is 17 x 17 inches. These pillowcases add a modern flair to the traditional Chinese pillowcase style. There is a zipper in the side of each pillowcase to insert the pillows. This pair of black and white silk pillowcases was made in China.