Luxbon - Green Seaweed Seashore Cotton Linen Sofa Chair Seat Throw Pillow Case Cushion Cover 18 x 18"/45X45CM Insert Not Included Made of cotton linen fabric, durable and environmentally friendly. Hidden zipper design, it can glide smoothly, easy to insert and remove the pillow insert. All seams have been overlocked, so it is safe to wash by machine or by hand. Standard pillowcase is roomy in size of 45cm*45cm/18"*18"(1-3cm error). The pattern paint one side only. Insert are not included. Please kindly understand: Due to the lighting and screen setting, actual colour may slightly vary from the picture.