Recommended for use on rugs, upholstery, mattresses, pillows, curtains, shoes, and other leather materials, found in homes, vehicles, boats and recreational vehicles. For best results, clean surfaces before spraying. To prevent musty odors from forming spray fabrics, moisture prone areas and air vents as needed. AFTER WATER DAMAGE OR CATASTROPHIC FLOODING: To suppress musty odors and delay reoccurrence, spray MustGo directly onto exposed wood, ceiling tile, walls and floors. Also apply to soft surfaces (upholstery, carpets and curtains) and porous material (paper and cardboard). Reapply as needed to maintain odor control. FREE SHIPPING AND HANDLING (US orders only)!