Novelty Design two sides print (Standard 18*18 inches inch) Gymnastic Galaxy Custom Pillow Cases Made of durable and soft Satin Fabric. size: Approx.18 x 18 inches, print on two sides. 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.