Amazon.com : Lever Arch 2-Ring Binder; U.S. Letter Size; for 2 3/4" (7 cm) Center-to-Center (cc) Paper Punches (Not for A4 Documents with 8 cm cc Spacing) (1 Assembled Binder, Black) : Office Products
49739 A4 Presentation 2 Ring Binder White 40mm – All Office Limited
Amazon.com : Q-Connect A4 2 Ring Binder Polypropylene - Assorted, Pack of 10 : Round Ring Binders : Office Products
2 Inch Binder - 4 Pack, Multicolor – Yoobi
2-Ring Binder for DVD, CD & Blu-ray Storage, Black, 4/PK
Amazon.com : Lever Arch 2-Ring Binder; U.S. Letter Size; for 2 3/4" (7 cm) Center-to-Center (cc) Paper Punches (Not for A4 Documents with 8 cm cc Spacing) (1 Assembled Binder, Blue) : Office Products
Buy 1-1/2" Red 23 Gauge 11" x 8.5" Poly Round Ring Binders - 100pk (MYPBRED23112)