Isotonic IsoLoft Memory Fiber Bed Pillow, Jumbo 100% Cotton Made in the USA and Imported 300 thread count, 100% cotton cover with corded edges Fine denier polyester fiber with crimped, spring-like structure Hypoallergenic and machine washable Jumbo measures 20 x 28 inches Made in the USA and Imported SleepBetter, Isotonic, and IsoLoft are registered Trademarks of Carpenter Co.