This is an excellent way to organize business cards without being too "roledex-y"...

"Organize pens, pencils, notes and business cards on your home of office desk in this clever accordion holder, which when inverted becomes a business card holder or rolodex. Condenses to a small box when closed. Made in Germany of comb carton and maple wood. "

Size: 5l x 3.75"w x 3"h