METAL CARD CASE: Our business card holder is made of HIGH-QUALITY stainless steel, the lid and the base are all metal, compare with other plastic cases, this card holder is enough solid. Perfect for long-time use. The smooth surface and business appearance look more professional, which will help you to leave a nice first impression on your important clients, associates or entrepreneurs. WIDE USE: The case size: 3.7"L x 2.3"W x 0.3"H, can hold business cards up to 20, depending on your business card thickness. With scratch-resistant interior lining will provide more protection to your cards. This card wallet is absolute not only for business cards, also good for ID cards, credit cards, gift cards, drivers license, bank cards, health insurance cards, Costco cards, or other same size cards or a few folded cash bills, etc. SUPER SLIM DESIGN: Only 0.3 inches thickness, enough slim to easily put it into your pocket, backpack, file bag, handbag, wallet, etc. Steady and Fashion card case with you.