3M 20907-220 Sand Blaster Sanding Sponge, 4-1\/2 Inch 2-1\/2 Inch By 220 Grit, Fine, Aluminum Oxide Abrasive

Clog-resistant and flexible for fine sanding between paint or varnish coats. tough foam backing will conform to contoured surfaces and resist tearing. electrostatically coated, self-sharpening aluminum oxide mineral for increased durability, life. 320-grit for final finishing. color-coded gold (packaging/product) and imprinted with grit for easy selection. wash to reuse.