The 3M SandBlaster Ultra Flexible Sanding Sponge is best used on paint, wood, metal and drywall. Use the pattern side for detail sanding and superior conformability. The regular side is best used for flat surface sanding. 120 Grit.
Lasts 5X Longer than 3M conventional sanding sheets
Channels dust away from sanding surface
Use pattern side for detail/contour sanding
Use regular side for flat sanding
Made of premium aluminum oxide mineral