BENECREAT 33Pcs Black Book Binding Discs, 3 Size ABS Plastic Discbound Plastic Expansion Discs Binding Ring Discs for DIY Notebook & Artwork, 1.55cm/2cm/2.4cm ID

• Product Information: 33Pcs black plastic expander, including 1.9x0.55cm/2.35x0.55cm/2.75x0.45cm sizes, 11pcs/size.
• Material: These discs binding expander are high quality ABS plastic with a smooth, burr:free surface, they won't scratch or snag when turning pages.
• Easy to Use: The disc binding rings can be flexibly arranged for simple removal and changing of notebook pages without damaging the paper, perfect for students and teachers.
• Application:: These plastic expansion discs are suitable for most junior, intermediate or letter size notebooks.
• Practical Gift: These discbound expansion discs can be easily added, deleted and replace, it is a great gift for your friends, colleague, classmates.

BENECREAT 33Pcs Black Plastic Expander Discs Discbound Expansion Discs Size: flat round: about 1.9x0.55cm/0.75x0.2inch, inner diameter: 1.55cm/0.6inch, 11pcs; flat round: about 2.35x0.55cm/0.9*0.22inch, inner diameter: 2cm/0.8inch, 11pcs; flat round: about 2.75x0.45cm/1.1x0.18inch, inner diameter: 2.4cm/0.9inch, 11pcs; Paper Cardboard Boxes: about 15x9x1.6cm/5.9x3.5x0.6inch, 1pcs.