D-Stinker is manufactured by Twin Pines of Maine. Biodegradable * Non-toxic * Non-flammable Phosphate-free * Solvent-free. D-stinker interacts with malodor molecules to counteract and cancel unpleasant odors. It is not a masking agent. After application D-stinker leaves a neutral environment with no fragrance cover up or malodor smell. The pleasant scent of the product dissipates as malodors are eliminated. D-stinker has been safely tested on common metals, plastics, rubber and washable fabrics with no adverse effects.