Fandeli's Multipurpose Fine Grit 220 Sandpaper Sheets are made of super heavy paper that works on all surfaces. Featuring high quality aluminum oxide mineral for longer lasting sheets, less clogging, and less waste. Sold as a contractor package containing 25-sheets measuring 9 by 11 inches. Regardless of your finishing application, Fandeli can help you get the job done with its full line of quality coated abrasives from a name you can trust. Fandeli is proud of its more than 85 years of history as an integrated manufacturer of quality coated abrasives.Can be used manually or power sanders