Amazon.com : Staples Better 3-Inch D 3-Ring View Binder (White, Sold as 1 Each) – Holds up to 600 Sheets, Heavy Duty Binder with Wide Design, 2 Interior Pockets, Perfect 3-Ring Binder
Avery 3-Ring Heavy Duty View Binder - 1 1/2", Red S-23166R - Uline
Avery® Heavy-Duty View 3 Ring Binder, 3" One Touch EZD® Rings, 3.5" Spine, 1 Red Binder (79325) | Avery.com
Avery 3-Ring Heavy Duty View Binder - 2", White S-21761W - Uline