1-Inch Heavy Duty 3-Ring Binder – Top Opening | Carstens
Avery® Heavy-Duty Dual Color 3 Ring Binder, 1/2 Inch Slant Rings, White/Black View Binder (17880) | Avery.com
Amazon.com : STAPLES Better 1-Inch D 3-Ring View Binder – Holds up to 275 Sheets, Heavy Duty Binder with a Wide Design, 1 Interior Pocket, Perfect 3-Ring Binder for Reports, Projects &