Experts recommend wiping your reusable bags down after each use to prevent smells and bacteria growth.

Use a toothbrush to get in the nooks and crannies of your bag.

The dish soap will help your bag smell fresh, and the hydrogen peroxide will kill bacteria and treat stains. [6] X Research source

Note that machine washing polypropylene bags can shorten the life of the bag.

Wipe your bag down with a towel or cloth when it’s almost dry to speed up the drying process and prevent mildew. [11] X Research source