An excellent roller for painting all small areas. It also excels at cutting-in, keeping a consistent finish texture near the trim or ceiling line. Jumbo-Koter rollers roll smoother and cover better than other mini-rollers. Due to the unique cage, it utilizes a larger diameter with 75% more fabric than small mini-rollers. It greatly increases capacity, but even without the extra fabric, offers much better coverage due to the professional fabric quality. A superb blend of polyamid yarn fabric has super high capacity for use with all flat paints, stains, and sizings. The 4-1/2" length has a closed end for painting corners. Fabric is bonded to a thick 3/4" strong core.