These cowhide credit card wallets are great for keeping your cards and cash together when you need to conserve space.  They hold 4 cards and have a pocket in the middle for more cards or cash or possibly a small car key.  They work great for a small purse, pocket, or slip in a boot to keep your possessions close.

4 card slots 

1 center pocket

Dimension 4" L x 3.25" H