Sendia Cotton Linen Blend Throw Pillow Covers Square Decorative Pillow Case Cushion Cover for Sofa - 18" x 18", Yellow Cat Made of durable blend cotton linen cloth material PILLOW COVER ONLY (INSERT NOT INCLUDED). Washing Instruction: Machine Washable / Dry Clean Encased in removable and washable zippered cover Designed for both indoor and outdoor decorating Size: 18" x 18". Due to hand cut and hand controlled sewing, there may be about 0.2-0.5inch error.