Do it Jumbo Fine 80-Grit All-Purpose Sanding Sponges, 5-Pack features aluminum oxide abrasive urethane foam that delivers effective sanding on a variety of surfaces including wood, metal, plastic, drywall, and painted areas. These sanding sponges are designed to conform easily to corners, irregular surfaces, hard-to-reach contours, wood trim, and spindles, making them versatile for many projects. They are also rinseable for easy cleaning and reuse, providing long-lasting performance and convenience. Model Number: 380180