Amazon.com : Yoobi 1/2 Inch Binder Set – 3-Ring Binders with 2 Pockets – Perfect for School or Office – Holds up to 100 Sheets – 4 Pack – Solid Multicolor Variety : Office Products
Amazon.com : Avery Durable View 3 Ring Binder, 1/2 Inch Slant Rings, 1 Black Binder (17001) : Office Products
3-Ring Vinyl Binder, 1-Inch Ring Size, Assorted Colors , 11 x 8.5 Inches 12 pack