New Illustration Painting 16 Birds Standard Size Design Square Pillowcase/Cotton Pillowcase with Invisible Zipper in 40*40CM 16*16(527)-527157 Made of 50% cotton ,50% polyester(Satin Fabric). size: Approx.18 x 18 inches, print on one side, the other is white. It's a zippered pillow case, with a zippered opening on the side. Please Note: Just 1 pillow cover, not include insert. Perfect for beds,sofas and home decoration.