Genuine Purdy replacement part. Large core diameter version of Purdy's most popular roller covers holds 25-35% more paint – increases production. Use with all paints and exterior stains, especially where a smooth, lint free finish is desired. White Dove series features a high density woven cover, made of Dralon, a derivative of nylon, which enables the paint to flow freely into and out of the cover for easy rolling and a high quality finish. Made in the United States.