Amazon.com : STAPLES 3 Inch BetterView Binder with D-Rings (Teal) : Office Products
Amazon.com : Shuokecrafts 2pcs Letter Size 3 Ring Binder Mechanism,3 D-Rings, 2.5 Inch Capacity, 11 inch Sheet Size, 36mm Base, No Boosters : Office Products
3 Ring Binder, 3" Slant D-Rings, White, Clear View, Pockets by Ring Binder Depot - Walmart.com
PVC 3D RING FILE 65MM | PVC FILE SUPPLIER MALAYSIA - Big Stationery
Filexec Products 1.5-Inch 3 Ring Binder, D Ring, Clear, Pack of 2, (50302-62233) : Amazon.in: Office Products