Alumiguard metal asset tags are made of anodized aluminum, making them incredibly strong and durable. Graphics, barcodes, and numbers are clean, bright, and in high resolution. They’re actually etched into the aluminum, so they can’t be scratched off and they’re resistant to heat too. Tags are available in glossy and matte surfaces. Alumiguard Tags are supplied with a strong adhesive backing that is between 2 to 5 mil thick. Once applied, Alumiguard tags are nearly impossible to take off. For specialized applications, other materials are considered, like - Sunguard Metal Tags: These tags must be considered if you are looking for full-color logos. For more complex designs, including ones with shading, gradient, and multiple colors, Sunguard Asset Tags are the best choice. Adding logos is free. These tags are the same as Alumiguard tags but printed in four colors. Plioguard Metal Tags are very similar to Alumiguard asset tags but are specifically made for use on curved or irregular surfaces. Plioguard tags are made of annealed aluminum which means the metal is chemically treated to make it more flexible. Use these tags on tools, posts, curved cases, and monitors, and all sorts of plastics and metals for easy barcode scanning.