The ArroWorthy PolyMicro Interior and Exterior Sleeves come in sizes of 9 inches, 12 inches, and 15 inches, making them versatile for various painting projects. These sleeves are designed for use with paint rollers and are suitable for both interior and exterior applications, providing a smooth and professional finish. The ArroWorthy brand ensures quality and durability, making these sleeves a reliable choice for decorating projects.