We found that traditional wallets always end up packed with unnecessary receipts and expired cards, resembling something more like a trash can rather than a wallet. The stack was created to solve this problem, allowing you to carry the essentials while remaining safe & compact. Featured in Entrepreneur Mag & Touch of Modern, The Stack is a minimalist, RFID theft blocking wallet. This non-traditional wallet expands to hold up to 15 cards and comes with an attachable cash clip to hold your bills.