This set of four paint roller covers is designed for use with epoxy and urethane coatings. Each cover is 18 inches long with a nap size of 3/8 inches and is suitable for both commercial and residential painting projects. The brand name is NOUR and the pack includes four roller covers. The roller covers are ideal for use in home improvement projects and can be used for painting walls, ceilings, and other surfaces. They are made of high-quality materials and are designed to provide smooth and consistent coverage with every use. Whether you are a professional painter or a DIY enthusiast, these roller covers are sure to meet your painting needs.