3M 9 in. x 11 in. 100, 150, 220 Grit Medium, Fine and Very Fine Aluminum Oxide Sand Paper (5 Sheets-Pack) 9005NA - The Home Depot
WORKPRO Sandpaper Pack of 24, 80-600 Assorted Grit with Holder, Sand Sponges 40/80/120 Grit, 9x11 Inch Alumina Sand Paper for Wood Furniture Finishing, Metal Sanding, Paint Finishing - Amazon.com