We carry over a dozen labeling materials for you to choose from, including several eco-friendly materials such as BioStone, Recycled Kraft and Recycled Vellum . Our most popular material is White BOPP (a polypropylene label stock that is water-resistant and impervious to oils). We also carry Clear, Chrome, Removable, and Ultra Removable versions of BOPP. See our Label Materials page for an explanation of all available materials.