These cotton muslin pillow covers are made for throw pillows. It takes Fiber Reactive dye great, so you can dye them just the right shade to go with your couch. . Dye them, stamp them, paint them, whatever them to make them pop on your sofa, lounge chair, or bed. There is nothing quite like cute, unique throw pillows to add that little bit of zing to your living space. Even though the stitching is poly thread it will only show along the zipper closure in the back.