Hermell Products Inc Butterfly Pillow with White Polycotton Cover, 25" x 19" x 4.5", 100% Polyester Fibers, Machine Washable.Butterfly shaped pillow gives your head and neck the support you need for a good night's sleep. Great for side and back sleepers. Filled with 100% Polyester Fibers. Cover machine washable. 25" x 19"100% Polyester Fibers.