Made of durable and soft cotton linen materials.18×18inches(45×45cm),can be used for 18",20" inserts.Hidden zipper design, appears well constructed.Vibrant colors, easy to match bed, couch, sofa, car, or chair.Both indoors(living room, office, bedroom, etc.) and outdoors (patio, car etc.) use.Beautiful colored watercolor printings. Such a cute gift for your lover.Package included: 4 x Pillow CoversWarm TipsThe pattern is one side only , the back is cotton linen beige color without printing.