AB Lifestyles Olympic Queen Mattress Pad/Mattress Cover 66x80 Cotton Made in USA Excellent quality, plush mattress pad for an Olympic Queen mattress up to 15 inches thick Top of mattress pad is a 250 thread count, 100% cotton fabric. Plushly filled with 100% polyester fiberfill. Will fit an Olympic Queen mattress, 66x80 inches, up to 12 inches thick. Machine wash, tumble dry low. Remove promptly. Proudly Made in the USA!