Generic Personalized Every Love Story Is Beautiful But Ours Is My Favorite Pillow Cases ( Fingerprint Heart Dictionary Style ) for Zippered Throw Pillowcase 18 x 18 inches ( One Side ) Size: 18 x 18 inches. Fits most size pillows. 50% cotton, 50% polyester.More comfortable and durable. With a zippered opening on the side, pre-shrunk fabric, this pillowcase is washable at 60 C. Made from soft blend of fabrics, giving the pillow case a soft and comfortable texture. Delivery time is about 9-12 business days.