Welcome to the store! Alloy Material Metal Business Cards: This set includes aluminum cards that engrave beautifully with a 50W CO2 laser (adjust power to 20% or less). These cards are lightweight and flexible. You can also try photo printing in pointillism mode for great results. Made from high-quality, solid, durable, and non-toxic aluminum alloy. Identifiable: Make a lasting impression with these elegant metallic business cards that elevate your professional image. High Quality & Various Colors: Excellent quality and exquisite workmanship to meet your diverse needs. Thickness: 3.4in x 2.1in x 0.01in, similar in size to a credit card, making them durable, smooth, and flat. Lightweight: These cards are lightweight and rust-proof, making them perfect for networking. Note: All data is manually measured, please allow 1-3cm error. Due to differences in lighting and display, there may be some color variation, please refer to the physical object received. Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will provide you with the best solution!