refillablebinder
nounUK /ˌriːˈfɪləbl ˈbaɪndə/
US /ˌriˈfɪləbl ˈbaɪndər/
A refillable binder is a cover that holds paper you can take out and put back in.
She put her new worksheets into her refillable binder.
OTHER MEANINGS
2. A binder designed so the pages inside can be replaced with new ones.
He bought a refillable binder so he could add pages all year.
3. A school supply with rings that open to change the paper.
My refillable binder has five dividers for different subjects.
4. A cover for holding and organizing loose sheets that can be swapped out.
The teacher asked us to bring a refillable binder to class.