Enjoy a great value pack of 50 sheets per box. Each sheet is double sided and can hold 10 cards per side for a total of 20 Business cards per sheet. 50 sheets per box. For a total of 1000 cards for this set. Includes 50 sheets of card protectors - Side Loading. Stores and protects business cards. 11 Holes - Can fit most sizes of ring binder. O ring binders or D ring binders - Business Card Book Holder. Non vinyl Acid free, won't lift print off your documents - Archival safe Fits Standard Business card size of 2" x 3.5". Actual Size of each slot is 2.2" x 3.77". Actual Size of sheet is 8" x 11.4"