100% Polyester SET OF 2: Dearfoams, from the brand that brought you your favorite slippers. The two pack King sized pillows measure 20"x36", they will fit in King size pillow cases and shams. SOFT COOL KNIT NYLON COVER: Cool to the touch, this Nylon enhance fabric will help mantain a cool temperature and keep you cool all night. The high quality and durable fabric is made to last. HOTEL LUXURY AT HOME: These knit medium density pillows provide a superior soft and comfortable place to sleep. Polyester fill gives these pillows a lofty lift that make it perfect for all sleep types from side sleepers to back sleepers and stomach sleepers. EASY CARE: Pillows are machine washable and durable, making these easy to care for and maintain for long term use. MADE IN THE USA: Filled locally in the USA with domestic and imported materials. We freshly fill our pillows to deliver you a quality product.