Industry Leading Durability Our FoilGuard Aluminum Labels are made of 2 mils thick aluminum foil. These labels come with high bond adhesive that sticks well to both smooth metal and many flat, non-textured plastic surfaces. FoilGuard labels are conformable and are great for large radius curved surfaces. These labels are printed in high resolution using high speed / industrial laser printers and toners for light-duty applications. Unlike many other labels, our Add Your Text Here Rectangular Custom Asset Labels with Barcode have a glossy finish that is mar-resistant. These labels may not adhere properly on textured surfaces such as wood or plastic. USA's Oldest Label & Sign Manufacturer Family owned since 1918, we take immense pride in our signage. Being one of the oldest certainly means we know this business in and out. Our South Dakota factory is the oldest manufacturer of labels & signs in the USA. We have been an integral part of safety and convenience our labels & signs have provided over the years. Writeable You may write on this label material using a ball-point pen or typewriter.