Includes (2) RR305 4.5 inch Roller covers. 4.5" long roller cover with 1/2" Nap. Shed-resistant, cream colored, knit fabric blend of 50% lambswool and 50% polyester for 100% performance for all flat, satin or semigloss paints, stains, waterproofing. Wool provides maximum paint capacity and a smooth finish; polyester resists matting. Use with RR028, RR013, RR014, RR323, R212, Jumbo-Koter roller frames.