When properly applied, Angelus Boot Spray will provide an invisible protective coating that repels water & stains to keep boots clean and dry. Recommended Use: Surface to be treated must be clean and dry. Apply 2-3 even coats to the desired area. . Allow about 30 minutes of dry time in between coats and let completely dry before wear (at least 12 hours). Note: Excessive spraying may temporarily darken some color and natural leather.