Biubee 100 Pcs Colorful Book Loose Leaf Binder Rings- 30mm Metal Loose Paper Notebook Rings Keychain Rings for Cards, Document Stack and Swatches

Feature:
100pcs multi-colored loose-leaf book rings.
Easy to pull to open and squeeze to close, not like other loose-leaf rings which will not open&your fingers may hurt from trying to pry them open.
30 5*8 index cards on one will be hold up well and there is enough room for more if needed.
5 Vibrant Color of red, blue, green, black and white for your diversified preference.

Specification:
Material: strong&durable metal with bright nickel-plated finish
Color: red, blue, green, black and white
Sizes: approx 30mm(1.18inch) diameter*100pcs
Weight: 10 ounces (284g)

Note:
find the seam on the book ring first, then use your fingers to pull them open apart in opposite directions and squeeze to close.
do not try to pull ring open apart with excessive force, or might hurt your fingers.

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