Colorful, Plastic Loose-Leaf Binder Rings!! These can be used in so many ways! Great for: binders, note cards, key chains, books, documents, swatches. They hang on hooks! Use in the classroom, office, or home! I use these rings to bind many of my interactive books & my customers & I love them! The rings are flexible & strong. They open & close easily. Pages turn easily. No catches. Bind up to 250 sheets of printing paper! Ring Dimensions: 27 mm in inner diameter (approx. 1 inch) 36 mm in outer diameter width of ring is 4.5 mm Select the Color of Rings you would like (red, orange, yellow, green, blue, purple, multi-colored) Select the Quantity of Rings you would like (6, 12, 24) For example: if you choose “blue” “12”, you will receive 12, blue rings If you choose “multi-colored” “6”, you will receive 1 of every color of ring totaling 6 Colorful Plastic Binder Rings, 1 Inch Inner Diameter, Easy Open & Close, No Catch Books, Binders, Flashcards, Organize By Color