Contour Sanding Sponge, Abrasive Material Aluminum Oxide, Grade Super Fine, Grit 500, 600, Number of Abrasive Sides 1, Overall Length 5 1/2 in, Overall Thickness 1/4 in, Overall Width 4 1/2 in, Abrasive Type Coated, Color Gray, Features Flexible, Resistance Properties Water, Sponge Shape Contour, Package Quantity 120