Signature Collection Ambient Comfort Sleeping Pillow, King 100% Cotton Made in the USA and Imported Clinically proven to reduce pain and soreness, improve sleep and increase energy 250 thread count cotton cover Hypo-Allergenic and machine washable King measures 20 x 36 inches Made in the USA and Imported SleepBetter, Signature Collection, Ambient Comfort, and Celliant are registered Trademarks of Carpenter Co.