New-Bring Metal Card Holder Men Ultra-Thin Simple Wallet RFID Anti-Theft Card Holder(Carbon Fiber)1. Elegant appearance, compact body shape 2. The external stainless steel clip design makes it easier to pick and place the cash of commonly used cards and expand the capacity 3. RFID protection, effectively preventing data theft, protecting personal information and fund security 4. Material: 304 stainless steel + aviation aluminum 5. Capacity: 1 12 bank cards, business cards, around 15 banknotes 6. Dimensions: 8. 5 x 5. 3 x 0. 7 cm Specification: