Sanding Sponge Abrasive Material Aluminum Oxide Grade Medium Grit 80 Number of Abrasive Sides 4 Series MultiSand Overall Length 4 in Overall Thickness 1 in Overall Width 2 3/4 in Abrasive Type Coated Features Can be Used Wet or Dry Small Flexible Sponge for General Purpose Sanding of a Variety of Materials Resistance Properties Clog