This Combo kit includes 1- Microfiber 6 in. x 3/8 in. blue stripe roller cover, and 1- 24 in. Flex Frame. Italian Microfiber Fabric designed for thin coatings. 10 times the retention of standard rollers. Distributes paint evenly. Reduces splatter and drip. Excellent choice of roller to use with eggshell and semi-gloss paints. Great for walls, ceilings and concrete. High pick-up and release. Lint Free. Covered ends-paints corners.