If your suitcase smells stale or musty, try sprinkling cat litter inside. Leave the suitcase closed for a few weeks, then vacuum it out. That should get rid of the musty odor.
Keep your suitcase smelling fresh with this simple trick. Fill a film canister or pill bottle with baking soda, poke some holes in the lid, and store the container in your suitcase between trips. This homemade air freshener will protect your luggage from unpleasant smells.
Here is a preventative measure that will help keep your cases smelling fresh. When you store away your luggage, toss in a fabric softener sheet. Next time you travel, your luggage will smell fresh and ready to go.