Cotton reusable grocery bags and many hemp reusable grocery bags are machine washable in cold water—making them the easiest to wash. If your personalized reusable bag is screenprinted or dyed in any way, you should test-wash them in cold with like colors. To limit this, wash in cold water and air dry.
How do you clean reusable bags?
Wash them by hand using warm, soapy water, and then line dry them completely before storing them away. You can also dry them with a clean towel to speed up the process. 2. Alternatively, wipe down the bags with disinfecting wipes and allow them to dry.