レジ袋節約計

There is a charge for shopping bags.
It is an application that records how much you saved by using My Bag etc. without using shopping bags.
Usage is simple.
Just tap the amount you saved.

You can also record the amount of carbon dioxide reduction, so you can also record how environmentally friendly you were.
The calculation is based on 7g and CO2 emission of 22g per shopping bag.