The product is Shop smith, 3" x 21", 80 Grit, Premium Ceramic Grain Sanding Belt, Ceramic Grain Is Sharper To Allow Belt To Cut Faster, Sands Cooler, Allowing Belt To Last Up To 4 Times Longer Than Traditional Sanding Belts, For Use On Wood Metal, Fiberglass & Painted Surfaces.. Easy to use. The product is manufactured in China.