3M SandBlaster Ultra Flexible Medium Sanding Sponge, 4-1/2″ x 2-1/2″ x 1″

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
Clog resistant for longer sponge life
Use wet or dry
For the best results, sand with the grain of the surface and work through a sequence of grits, from coarse to very fine, skipping no more than 1 grit between each sanding step (other grits not included)
Used on paint, wood, metal and drywall