This Purdy® White Dove™ Sleeve has the following specification: Material: woven Dralon® fabric Size: 305mm (12in) Nap Depth: 10mm (3/8in) Core: 38mm (1.1/2in) The Purdy® White Dove™ Sleeve is made from high density, woven Dralon® that is capable of carrying a large quantity of paint, leading to improved efficiency and productivity. Paint can flow freely into and out of the cover. With thousands of miniature flagged filaments, so paint leaves from thousands of tiny surfaces, for a smooth, virtually perfect finish. Use with all paints and exterior stains, especially where a smooth, lint-free finish is desired.