Skyygemm 50 Pcs Comb Binding Spines 1/2" Diameter 30 Ring Plastic Binder Combs and Spines Binding Easy Edit Spines for Teacher Student Document Notebook File Making, 85 Sheet Capacity, 5 Colors

Skyygemm 50 Pcs Comb Binding Spines 1/2" Diameter 30 Ring Plastic Binder Combs and Spines Binding Easy Edit Spines for Teacher Student Document Notebook File Making, 85 Sheet Capacity, 5 Colors

Rayson Click Binding Spines, 34-Hole Click Binding Ring for A4 and U.S. Letter Size Paper, Multi-Color, 1/2" Diameter, 3:1 Pitch, Binds Up to 90 Sheets, 30 Pack

We R Memory Keepers, Cinch Book Binding Machine 2, Pink/White, Easy to Use Design with Slide Ruler, Compatible with Wire or Spiral Coils, Make Professional Books, Notebooks, Calendars and More