Anodized Aluminum AlloyOur metal business card blanks are made of anodized aluminum, with better gloss, higher strength, wear resistance, light weight, better thermal conductivity, not easy to bend, smooth edges, no scratches on both sides, etc. The anodization process creates a protective layer that prevents scratches, corrosion, and fading, ensuring your business cards stay in pristine condition for longer.Business Card SizeWe provide 15 pieces of blank laser-engraved business cards, enough quantity to meet your daily needs. It is 0.8mm thick and measures 3.4 x 2.1 inches (86 x 54mm), the same size as a credit card, so it is compact and portable.Laser EngravingAluminum blank business cards are coated with coating on double sides, ready for laser engraving printing directly.