Makes Sanding Spackle, Paint Drips Or Other Minor Imperfections When Painting Fast And Easy. Features 2 Unique Surfaces: One Sands And One Cleans. Carded. Sandblaster Sanding Sponges Offer Up To 3-Times Longer Life And Cuts Up To 3-Times Faster Than Traditional Sponges. Color Coded Packaging For Type Of Sanding Job. Rinse Clean And Use Again. For Applications Ranging From Paint Removal To Final Finish Sanding.