Amazon.com : KTRIO 500 Pack Sheet Protectors 8.5 x 11 inch, Clear Page Protectors for 3 Ring Binder, Plastic Sleeves for Binders, Top Loading Paper Protector Letter Size : Office Products
Binder Dimensions and What They Mean - Bindertek
3-ring Binders and Case-it Zipper Binders — Campus Survival Kits and Insta-Kits
1 1/2 in Ring Size - Binders, Round, 3-Ring Binder - 9WAZ2|07412 - Grainger
Business Source Basic D-Ring View Binders - 1 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 375 Sheet Capacity - 3 x Slant D-Ring Fastener(s) - Internal
1 in Ring Size - Binders, Round, 3-Ring Binder - 35X550|AVE19601 - Grainger
Avery® Durable View 3 Ring Binder - 1 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 375 Sheet Capacity - 3 x Slant Ring Fastener(s) - 2
Avery® 1/2" Two-Tone View 3-Ring Binder With Pockets - 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 135 Sheet Capacity - Slant Ring Fastener(s) - 4 Pocket(s) -
Smead Three-ring Binder Index Dividers, 1/5-cut Tabs, Letter Size, White, 5 Per Set (89415) : Target