The Professor Amos Fragrance Mats Lavender Mint 2-Pack were developed to release long-lasting subtle fragrance wherever needed. The slim, discreet mats can be used under furniture, on top of cabinets, in cars, RV's or campers, to give a fresh subtle fragrance to any area. The unique fragrance blends are highly concentrated and made to hang in closets or storage areas. The mat can also be used as a drain in baths, showers and utility sinks. Not for use as a toy or in contact of food. To refresh the fragrance, utility sinks. Not for use as a toy or in contact with food. To refresh the fragrance, simply mist with water and let dry.