The pillowcases are made of nice quality velvet. The hidden zipper allows easy insertion and removal of pillow inserts and keeps the pillow in place. These pillow covers feature wrinkles, and shrink and fade resistance. These delicate pillow covers can coordinate with living rooms, bedrooms, sofas, couches, and, beds that are in any color and style. The surface fluff forms an air layer, which is very warm and can keep you away from the cold in autumn and winter, and you will fall in love with them.