Packaging includes: packaging with 400 blank aluminum business cards, they are thin and thin, suitable for laser carving or laser debugging Appropriate size: The size of each metal blank is about 3.38 x 2.12 inches/86 x 54 mm length and width, and 0.21 mm /0.01 inches thick. The blank credit card is completely suitable for the standard size of the wallet or wallet High -quality materials: Metal business card blanks are made of aluminum alloy, which is not easy to bend, beautiful and generous. It is a of for users, and you can make laser carvings. The beautiful pattern and text you want Wide use: You can use these metal pieces to make metal business VIP cards, metal plaque, label cards, business cards, table number cards, gift metal cards, etc. Metal credit card rough is also gifts for family and friends Upgrade design: Color is unlikely to be scratched by normal wear; matte is not contaminated by fingerprints, rounded design, smooth and fit on the of the surroundings, avoid hand injury Colour:Matte Black Material:Aluminum alloy Package Contents: 400 x metal cards Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.