Clean your Luggage/shoes with leather cleaner or leather shampoo, and use a good quality brush to remove loose surface dirt; if product are wet after cleaning, let them air-dry before your proceed with the next step; dry in room temperature only and never expose them to the sun, heat from the sun will cause the leather to shrink, wrinkle, harden, dry, and crack
Allow your pair of shoes to air and de-odorize at regular basis; use shoe bags to prevent any stains or mildew; dust any dry dirt from the surface using a clean cloth; do not use polish or shiner