METAL CARD CASE: Our business card holder is made of high-quality stainless steel. The lid and base are both metal, making this card holder more durable than plastic cases. Ideal for long-term use. The smooth surface and professional appearance offer a polished look, helping you make a positive first impression with clients, colleagues, or business contacts. WIDE USE: The case measures 3.7"L x 2.3"W x 0.3"H and can hold up to 20 business cards, depending on card thickness. The scratch-resistant interior lining helps protect your cards. This card case is suitable not only for business cards but also for ID cards, credit cards, gift cards, driver's licenses, bank cards, health insurance cards, membership cards, or other cards of similar size, as well as a few folded cash bills. SUPER SLIM DESIGN: With a thickness of only 0.3 inches, the case is slim enough to fit easily into your pocket, backpack, briefcase, handbag, or wallet. A sturdy and stylish card case for everyday use.