volcanics buffalo check plaid throw pillow covers set of 4 farmhouse decorative square pillow cover case cushion pillowcase 18x18 inches for home decor sofa bedroom car volcanics pattern: available on both sides. color may not appear as exactly as in real life due to variations between the computer monitors. materials: 1. the pillow cover is made of high quality polyester linen blend material and is very durable, environmentally friendly and very comfortable. 2. this cushion cover has an invisible zipper and all seams have been over-locked so it is easy to wash it. 3. invisible zipper improves the appearance and provides easy insertion and removal. care: 1. machine wash in cold water. do not use bleach. 2. dry flat or hang to dry. 3. cushion cover only, no pillow insert. it applies to living room, bedroom, home office, dining room, sofa so on.