LCArtStore Throne of Glass by Sarah J. Maas Book Quote 18x18 Inch Cotton Linen Decorative Pillow Case Throw Pillow. COVER ONLY (INSERT NOT INCLUDED). Washing Instruction:Machine Washable/ Dry Clean. Designed for both indoor and outdoor decorating. The size is about 18*18 inch.the weight is cover 160-180g. Single-sided printing pattern design.