Description Size - These round shape sanding papers are for the random orbital sander. Material - Aluminum oxide abrasive, resin bonded for heat resistance, these sanding papers have the high-strength polishing ability and long-lasting grinding power. Non-clog - The anti-static coating on the sandpaper surface makes the sanding process not easy to gather dust and pre-punched holes for efficient dust collection to prevent clogging. Application - Assorted grits to meet all kinds of sanding requirements from coarse to fine grade. Widely used for polishing car paint, sanding wood, drywall, metal, non-metal, stone, and other materials. Reusable - Hook & Loop Backing is designed for easy to install and remove, convenient to use.