This pillowcase is made of 100% cotton, which is a kind of green material, 100% authentic handmade. Light blue and white chevron stripe just perfect for decorating your room, your bed or your sofa. Invisible zipper closure/opening allows easy insertion and removal of pillow inserts. Fit for a 18 X 18 inches pillow insert Please Note: This listing is for pillowcase only, excluding the filler!