Wooster American Contractor Knit Fabric Roller Cover, 9 x 3/8 in. is the first choice for value and performance in a production roller cover. It excellent paint pickup and release, making your painting projects more efficient. Crafted with Made in America quality, this roller cover is compatible with all types of paints including flat, eggshell, and satin finishes. The green double-thick polypropylene core is designed to resist water, solvents, and cracking, ensuring durability and longevity. This roller cover features a 9-inch length and a 3/8 inch nap size, i for semi-smooth surfaces. The knit roller material is suitable for both interior and exterior use, packaged conveniently in a bag. Model Number: R562-9