Do it Jumbo Medium 120-Grit Sanding Sponges, 3-Pack feature aluminum oxide abrasive that is for smoothing and finishing a variety of surfaces including wood, metal, plastic, drywall, and painted areas. These sanding sponges are designed to conform to different surface contours, making them versatile and easy to use. They can be rinsed clean and reused, providing long-lasting performance. Each sponge measures 4-1/2" by 5-1/2" and the pack includes three sponges to ensure you have enough for your projects. Model Number: 380156