How Do You Keep Cigars Fresh Without a Humidor?

To keep cigars fresh without a humidor, place the cigars in a large freezer bag, along with an open sandwich bag containing a moist sponge inside of it, then seal the larger bag. Make sure to store the bag in a dry environment, with stable temperature levels. You need a 1-gallon freezer bag, a sandwich bag, a sponge and a dry environment to store the cigars in.