MyLifeUNIT Name Card Book Holder, Business Card Holder with 5 Color Tabs, 180 Cards Capacity (Black) Elastic string reinforced design, portable design, prevent missing card during travel Five color tabs system help easily categorize and organize the cards, easily sort out and pick up Four-ring binder, the thickness of the book wont change even stuffed up with 180 cards Loose-leaf design, any page can be removed from the four ring binder and rearranged 180 cards business card book, polypropylene clear page, light, durable material, 7.8"x 5.5"x 1.2" ( 19.8 x 14 x 3 cm )