5PCS Spiral Loose-leaf Binding Coils Plastic Binder Clip School Office Supplies

There are two sizes to choose from, 35MM (1.38in) can bind 250 sheets of paper, and 16MM (0.63in) can bind 100 sheets of A4 paper. 5PCS x Loose-leaf Binding Coils. Spring type spiral binding coil, flexible expansion and contraction, no hole spacing, suitable for both circular and square holes.

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