Tester rollers make it easy-to-try before you buy paint. Now you can get many paint colors in economical sample packs, so with this convenient color tester roller, you can paint a small area to see how the color will really look in your home. It's also great for painting in small, confined areas where a longer handle brush or roller won't fit. The package blister is a handy roller tray that's perfect to use with the roller. Use around corners, walls-to-molding, arts, crafts, stenciling, and hobby work. Kit contains 3" foam roller and clear plastic tray. Foam roller is attached to a contoured plastic handle. No refill available.