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.