The Wooster RR924-18 Paint Roller Cover is a high-quality synthetic blend roller cover designed for painting projects. With a 1/2" nap size and a width of 18 inches, this yellow roller cover is perfect for smooth and even application of paint. Manufactured by THE WOOSTER BRUSH CO under the Wooster brand, this paint roller cover is durable and reliable, making it a must-have tool for any home improvement or painting project.