A4 4 Ring Binder Metal 4 Inch Capacity 100mm Mechanism
View 3 Ring Binder 2 12 D Rings White AbilityOne 7510 01 384 8673 - Office Depot
A4 2 Ring Binder Metal 1/2 Inch Capacity 16mm Mechanism
CoverLock 2" D-Ring Binder | Ultimate Office
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Amazon.com : 2 Inch 3 Ring Binder 2” Blue, Slant D-Ring 2 in Binder Clear View Cover with 2 Inside Pockets, Heavy Duty Colored School Supplies Office and Home Binders – by Enday : Office Products
Pen + Gear 3-Ring Durable View Binder, 2 inch Binder Ring Type, Slant D-Ring, Black, 6 Pack - Walmart.com