A bit disappointing overall. Not a bad product but the packaging is poorly designed. The rollers are placed to cover the grit label so you need to check the paper to confirm the grit. Opening the box to rearrange it is a frustrating experience that results in pieces of the box falling out all over the place. There is no tear-off blade built into the box, so you must hold the strip with both hands and tear it off. The paper is only good in terms of grain quality and lifespan - it seems to wear out/clog very quickly. Individually these problems are not serious, but together they result in a poor quality product that is uncomfortable to use in the workplace. There are better alternatives in the same price range.