noun
business card case; card holder
A small case for carrying business cards, often used in professional settings.
新しい名刺入れを買いました。
I bought a new business card case.
彼は革の名刺入れを取り出した。
He took out a leather card holder.
財布 is a general wallet for money and cards, whereas 名刺入れ is specifically for business cards.
Compound of 名刺 (business card) and 入れ (case, container).