This classic bifold wallet has 6 card slots plus a dollar bill compartment. The simple bifold wallet is smaller, with no actual slots. Both are handmade from eco-friendly cork. Cork is harvested from cork oak trees without killing the trees, meaning that they continue to store carbon and stabilize soil! Classic: 3.25”H x 4.25W” (folded) Simple: 3" h x 4" w (folded)