[SIZE] - 80mm x 50mm x 0.5mm / 3.1-inch x 2.0-inch x 0.02-inch (L*W*T). If you need to customize advanced business cards, we recommend choosing stainless steel or aluminum cards with a thickness of 0.5mm or more. [MATERIAL] - Aluminum card is processed with a specific anodized process for high strength, corrosion resistance and long-lasting durability. [PRODUCT FEATURE] - Metal card is not easy to be folded or bent. Also with unique design - round corner, the edge not rough and easy to clean. [SUITABLE FOR] - Suitable for using with: Laser engraving and can also be used for sublimation, stamping, and other engraving methods. [WIDE APPLICATIONS] - Commonly used for: Business cards, trophy plaques, gift cards, nameplate, desk tag, label tag, serial number tag and many other crafting needs.