Isotonic Iso-Cool Therapure Traditional Bed Pillow Supremely plush visco-elastic and swirled liquid gel memory foam 300 thread count, 100% cotton cover with Outlast Adaptive Comfort material Cover is corded and zippered for laundering Measures 18x24, Traditional shape Hypoallergenic Made in the USA and Imported SleepBetter, Isotonic, Iso-Cool, and TheraPure are registered Trademarks of Carpenter Co.