pencil case
US /ˈpen.səl ˌkeɪs/
UK /ˈpen.səl ˌkeɪs/

1.
a container for holding pencils, pens, and other small stationery items
:
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She put her new pens into her colorful pencil case.
•
Make sure you pack your pencil case for school tomorrow.
a container for holding pencils, pens, and other small stationery items