Aluminum - TropicalFeatures Holds 1 12 cards without stretching out Blocks RFID (wireless theft) Replaceable elastic Backed by our lifetime warranty Free returns within 45 days 6061 T6 aluminum anodized black Weight: 2 oz 86 x 54 x 6 mm Description The Ridge is a minimalist, RFID blocking wallet. The main cardholder uses elastic to expand to hold up to 12 IDs and credit cards. The typical leather bi fold gets packed with faded receipts and unnecessary cards, resembling