Accidents happen, as every cat owner knows. Nature's Miracle Advanced Stain & Odor Eliminator Foam for cats is an enzymatic, severe-mess stain and odor remover that discourages re-soiling by removing the odor of even the toughest cat messes. The foam spray penetrates down into carpet to power out severe pet messes. When used as directed, this product is safe to use around your pets and in your home.Wipe up as much of the stain as possible, then spray Nature's Miracle Advanced Stain & Odor Eliminator Foam toward the treatment area. Spray until foam is covering the mess. The foam will break down into the carpet, penetrating the mess. Allow to work for 15 minutes, then blot up with a clean cloth. Do not use on untreated hardwood, leather, suede, silk or wool specialty fabrics.