How do you say "I need a bag" in Japanese?

Quick use

Use ふくろはいります (fukuro wa irimasu) while shopping when the cashier asks if you need a bag.

Chunk or pattern

• Reusable pattern: 〜 は / いります
• In this scene, the useful chunk is ふくろはいります.
• The opposite phrase is ふくろはいりません.

Core words

• ふくろ: bag.
• いります: need.

Helper words and endings

• は: marks the topic, like “as for a bag.”

Form contrast

• いります (irimasu) = I need it
• いりません (irimasen) = I do not need it

Practical note

At checkout, staff may ask very quickly about a bag. This short answer is enough; you do not need a full sentence.