The Nature’s Miracle Advanced Stain & Odor Eliminator Foam for Dogs is an enzymatic formula that works to eliminate tough stains and odors from dog urine, diarrhea, vomit, and other bio-based accidents. The foam spray comes in a case of three twin packs and is easy to use. It can be applied until foam covers the mess or is left on the surface for up to 24 hours. The foam will not harm dry painted surfaces or fabrics.