Wooster Super/Fab Knit Fabric Roller Cover, 4 x 3/8 in. is designed for superior performance with today's flat, eggshell, and satin paints. Featuring HydroFlow technology, it provides a controlled release of paint to prevent sagging and ensure smooth application. The larger-colored fabric, exclusively made by Wooster, the fastest coverage and resists matting for a longer lifespan. This roller cover is shed-resistant and high capacity, making it i for efficient painting projects. Its green double-thick polypropylene core is durable, resisting water, solvents, and cracking to maintain its shape and performance over time. Model Number: 4x3/8SFBR