Case•it Mighty Zip Tab 3" O-Ring Binder with Expanding File Folder, Black,3.74"L X13.11" H X12.75" W - Walmart.com
0.5 inch Binder, Case Enclosed - Pack of 3 - UniKeep.com
The Universal - Case•it - Protect your Tech w/ this laptop zipper binder!
Amazon.com: Case-it The Universal Zipper Binder - 2 Inch O-Rings - Padded Pocket that holds up to 13 Inch Laptop/Tablet - Multiple Pockets - 400 Page Capacity - Comes with Shoulder Strap - Purple LT-007
Case it The Mighty Zip Tab 3-Ring Zipper Binder D-156-B - Walmart.com
Case of 3 Ring Binders - 8.5x11 Letter Size Binder 12 units per case
Case It Case-it King Sized Zip Tab 4 3-ring Zipper D-186 : Target
Amazon.com: Lighthouse Black Classic Grande 3-Ring Binder with Slipcase Storage Case for Coins, Stamps, Currency, Bank Notes, Documents, and Other Collectibles - Pages Sold Separately : Office Products
Case it The Dual 2.0 Zipper 3 Ring Binder 2 D Rings Assorted Colors - Office Depot