Sanding Sponge Abrasive Material Aluminum Oxide Grade Fine/Medium Grit 120 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 Color Black Features Reusable Used Wet or Dry Resistance Properties Clog Water Sponge Shape Rectangle