エコバッグ

えこばっぐ
noun
reusable shopping bag; eco bag
tool
1. reusable shopping bag; eco bag
A reusable bag brought by shoppers to reduce plastic bag use, popular in Japan since plastic bag charges were introduced.
エコバッグ()ってきた。
I brought my reusable bag.
Since plastic bags are now charged, I use an eco bag.
I always keep a foldable eco bag in my bag.

エコバッグ is a wasei-eigo (Japanese-made English) combining "eco" and "bag."

Common collocations

Cultural note

Since July 2020, Japan made plastic shopping bags (レジ(ぶくろ)) chargeable at stores. This significantly increased eco bag usage. Many stores sell original eco bags, and they've become a popular promotional item.