Linzer 09001 Lambskin Roller Cover, 9" x 3/8" The natural merino sheepskin roller cover is 9-Inch long and comes with a 3/8-inch nap Finest professional roller covers that naturally expand to hold more paint The natural oils prevent matting for uniformed coverage Extra strength phenolic core can be cleaned for multiple uses Linzer products corporation has been providing excellence in the painting industry since 1892. Through it all, we have grown to be one of the world's largest manufacturers, importers and exporters of paint tools and accessories