Wide applications: these loose leaf rings are very useful in our daily life, you can use them for loose-leaf, memo filing, key rings, scrapbooks and so on.
Suitable for binders, study or note cards, classroom, office and home.
These loose leaf binders are ideal for keeping loose objects sturdily.
These book rings are easy to operate, pull the opening to open and squeeze to close.
The loose book ring has 2 parts and is linked together by a swivel rivet, very easy to operate, you can pull the opening to open and squeeze to close.
STOBOK 50pcs Loose Leaf Binder Rings Metal Book Rings 20mm Silver B07PM59WSM