Poly-Fil® Premier? Ultra Plush pillow inserts have the look and feel of down and are a favorite among crafters and home designers. They are filled with polyester fiber fill and feature a cotton/polyester, high quality cover. They are wonderful for a variety of uses around your home. Perfect for adding a splash of color or a cozy spot when placed in the corners of your couch. Brighten up a pillow scape in your bedroom while creating a soft comfortable feel. They offer the right combination of softness and support for a child?s room, window seat or reading nook. Combine them with some outdoor fabrics for added design on your porch, deck, or lounge chairs. The 18″ x 18″ Accent pillow inserts are perfect throw pillows for any room in the house: bedroom, guest bedroom, kid’s room, RV, and more.