Martha Stewart Classic Foam Standard Pillow 24 x 15 x 5.3 Dimensions: 24" x 15" x 5.3" Cover: Top layer: rayon; Bottom layer: polyester; fill: polyester; Inner cover: polyester Foam: Visco Elastic memory Foam For all sleep styles. Cover: machine washable; foam insert: spot clean Ventilated, hypoallergenic