The product is manufactured from real shale stone that offers a distinctive natural pattern. While we go to the utmost effort to ensure the cover is crafted with care, some fragments of the pattern can chip over time. This is entirely normal.
o preserve your MacBook cover for years to come, we strongly recommend that you do not use any chemical products, including white spirit, gasoline, acetone, etc., to clean the stone because these chemicals can permanently damage the product’s natural surface.
If you do decide to take the risk of using a chemical product, test it on a small inconspicuous area first.