noun
pencil case; pen pouch
A small case or pouch for holding pens and pencils. Wasei-eigo from English 'pen pouch'; in English usually called a pencil case.
wasei-eigo (Japanese-coined English), from pen pouch
新しいペンポーチを買った。
I bought a new pencil case.
ペンポーチにペンを何本入れていますか。
How many pens do you keep in your pencil case?