The Purdy® Pro-Extra® White Dove™ Sleeve has a large core diameter and holds 25-35 more paint than standard sleeves for increased productivity They are made from high density woven 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 Use with all paints and exterior stains especially where a smooth lint-free finish is desired Material woven Dralon® fabric Size 228mm 9in Nap Depth 10mm 38in Core 44mm 134in