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 Ridge is minimalist without being limiting. It’s about carrying less but always having what you need. Cash Strap: A thin and versatile elastic. Ideal for carrying: cash, ID's, or RFID-enabled cards. (Money clip was not purchased with this wallet, however it can be ordered separately and attached.) Holds 1-12 cards without stretching out RFID blocking to prevent wireless theft Scratch resistant Lifetime warranty 99-day risk free trial Replaceable elastic and screws 6061-T6 aerospace-grade aluminum | Anodized Weight: 2 oz | 86 x 54 x 6 mm