New-Bring Metal Card Holder Multifunctional EDC Wallet Can Store Keys & U Disk(Black)1. The panel is made of aviation aluminum, sandblasted and anodized, with sufficient toughness 2. Hand polished and chamfered, it feels good 3. RFID anti theft protection, multiple functions, small size 4. Material: stainless steel + aviation aluminum 5. Capacity: This wallet can store 12 keys, and the expansion package can be used to increase the capacity, 1 12 bank cards and other various cards, certificates, and several banknotes 6. Dimensions: 92