noun
reusable shopping bag; my bag
Wasei-eigo term for a reusable bag brought by the shopper, often used in the context of reducing plastic bag waste. Compare with エコバッグ, which emphasizes the ecological aspect.
wasei-eigo (Japanese-coined English), from my bag
See also: エコバッグ
レジ袋をもらわずに、マイバッグを使いましょう。
Let's use our own reusable bags instead of taking plastic shopping bags.
スーパーに行くときはいつもマイバッグを持っていく。
I always bring my reusable bag when I go to the supermarket.