You found your favorite throw pillow, now fill it out with this essential pillow insert! Made from super-soft polyester microfiber, the shell sports a clean white finish. Designed to fit most standard pillow sizes, this insert is stuffed with a polyfill to a 4" thickness so your pillow will stay plump and keep its shape. Designed for universal use, these pillows are hypoallergenic for sensitive sleepers, and machine washable and dryer-safe for effortless upkeep.