JAM Paper Heavy Duty 1" 3-Ring Flexible Poly Binder, Green (751T1GR) | Staples
Amazon.com : Amazon Basics 3/4 Inch 3-Ring Binder - Holds 100 Loose-Leaf Paper Sheets 10.5” X 8” or 11” X 8.5” - Metal-Colored Design in Orange and Olive Colors – 2-Pack : Office Products