Answer (1 of 8): The small, round, adhesive reinforcements used to strengthen and reinforce the holes in loose-leaf binder paper are commonly referred to as "reinforcement labels" or "hole reinforcements." These labels are typically circular and made of paper or a similar material with an adhesiv
How to stop breaking my papers with binders - Quora
Multifunctional Adjustable Loose Leaf Paper Puncher KOKUYO B5 A5 A4 Smart Ring Binder Planner Hole Punch
Just like its name, this loose-leaf paper is designed for easy writing. It features Maruman's quality paper which is smooth and fountain-pen-friendly. The sheets are hole-punched with 20 holes. They are compatible with all 20 rings Japanese-style loose-leaf folder in A5 size. Each page also has two larger holes in the middle which are designed for European-style 2-ring binders.
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