Image shown is actual grain. These are industrial grade 2" x 132" FP sanding belts. FlexPro is a PREMIUM aluminum oxide flexible "J" weight  poly cotton coated abrasive material, with a closed coat, with grinding aids added to the resin. This provides outstanding performance and consistent finishes for many metal polishing applications. Keystone Abrasives warranties all of our sanding belts for manufacturer’s defects and your satisfaction is completely guaranteed!