Yes, you can wash a duffel bag, as long as it is made from a durable material like nylon or polyester. Here are the steps on how to wash a duffel bag in the washing machine:

1. Check the care label on your duffel bag to make sure it is machine-washable.
2. Empty the duffel bag and remove any loose items.
3. Place the duffel bag in a mesh laundry bag to protect it from the agitator in the washing machine.
4. Set the washing machine to the delicate cycle and use cold water.
5. Add a small amount of mild detergent.
6. Wash the duffel bag for the recommended cycle time.
7. Remove the duffel bag from the washing machine and hang it to dry.

If you do not have a washing machine, you can also hand wash your duffel bag:

1. Fill a bathtub or large sink with cool water.
2. Add a small amount of mild detergent.
3. Submerge the duffel bag in the water and gently rub it with your hands.
4. Rinse the duffel bag thoroughly with cool water.
5. Hang the duffel bag to dry.

Here are some additional tips for washing a duffel bag:

• Use a mild detergent. Harsh detergents can damage the fabric of your duffel bag.
• Wash the duffel bag with cold water. Hot water can shrink or warp the fabric.
• Air dry the duffel bag. Avoid using the dryer, as this can damage the fabric.
• If your duffel bag has a lot of dirt or grime, you may need to pre-treat it with a stain remover before washing.