Here's a direct link to them. The 10 pack doesn't have the tabs like the 5 pack does. You can also get free shipping with orders over $50 dollars (If you have 2300 cards to put into sleves, its a good deal).

http://www.officedepot.com/ddSKU.do?level=SK&id=967379

Here's the description on the Avery Business Card Holders

The handy and efficient way to organize business cards. Each page holds 20 standard 2" x 3 1/2" size business cards. Fits standard three-ring binders. Tabbed refills come with laser and inkjet printable inserts. Made from nonstick, acid-free, archival-safe polypropylene.