Isotonic Iso-Cool Traditional Polyester Pillow with Outlast Cover, Standard 100% Cotton Made in the USA and Imported 300 thread count cotton cover; 100-percent polyester fill Traditional pillow with Outlast Adaptive Comfort Technology offers a cooler night's sleep Pillow features a zippered cover accented with piped edging and embroidered logo Standard measures 20 x 26 inches Hypoallergenic and machine washable Made in the USA and Imported SleepBetter, Isotonic, Iso-Cool, and RichLoft are registered Trademarks of Carpenter Co.