These are soft leather with a self adhesive peel and stick tape on the back. They match our elkhide sew on handlebar covers and toe clip leathers. They protect your paint from chain slap and give your bike a finished look. In decades past, constructeurs actually brazed on fittings over which a leather strip was stretched. These are the next best thing. They really are so much classier than those fake carbon fiber stickers or thick packing tape you see on some bikes. Like all of our elkhide leather goods, they are cut by hand in the US.