According to the search results, a wallet photo or wallet print is a small-sized photo that can fit in most traditional leather wallets with photo slots. The perfect wallet photo size is 2" x 3", which is the industry standard dimension for wallet size photos. The following companies offer wallet prints in this size: Walgreens Photo, Walmart Photo Center, Mail Pix, CVS Photo, and Snapfish. Some of these companies offer wallet prints in sets of 4 or 9, and the cost varies depending on the company and the number of prints ordered.