1.5" 3 Ring Binder Clear View White - Up & Up™ : Target
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Amazon.com : 1/2" Poly 3 Ring Presentation View Binder with Pocket Allows for Quick Loading of Spine Inserts and Prevents Gapping and Mis Alignment of Rings (Pack of 6) - by Emraw : Office Products
How to Make Custom Binder Spine Inserts - Avery
Amazon.com : 1 Inch 3 Ring Binder, HYUNLAI 1'' Round-Ring View Presentation View Binders, Holds Up to 8.5"11" Paper,Customizable Clear Cover,for Home,Office,and School Supply,6 Pack : Office Products
Amazon.com : Cardinal® Slant-D® Ring 11" x 17" Tabloid ClearVue™ Binders, 3" Rings, 63% Recycled, White : Office D Ring And Heavy Duty Binders : Office Products