4RPYM 4" (15 x 100MM) Yellow Polyester Refill is designed for smooth and precise paint application in small and detailed areas. Made from high-quality polyester material, it ensures excellent paint absorption and even distribution for a clean, streak-free finish. The 4-inch size with 15mm core is ideal for mini rollers, making it perfect for corners, edges, doors, and touch-up work. Durable and easy to fit, it is compatible with most standard 4-inch roller frames and suitable for use with various paints, delivering reliable performance for both professional and DIY projects.