Do it 9 x 11" General Purpose 100-Grit Medium Sandpaper, 5-Pack is designed for versatile use on wood, metal, plastic, and painted surfaces. This sandpaper is made from durable aluminum oxide, providing reliable performance for a variety of sanding tasks. The resin coating extends the sandpaper's life by resisting heat and humidity ordinary glue bond sandpapers. Each pack includes 5 medium-grade sheets, measuring 9" x 11", making it a practical choice for both DIY and professional projects. Model Number: 330175GA