The basics Foam Mini Roller & Tray Set. The benefits The roller brush has a 4-inch wide high density foam cover, a contoured plastic handle, and an overall length of 12 inches. The durable plastic paint tray measures 15x7x2-1/2 inches. The uses This handy painting set can be used with all paints and stains on both interior and exterior projects. The bottom line Complete package contents include one foam roller, one roller handle, and one paint tray.