The Weather-Out MouseAway Pouch is an all natural product that consists of a special blend of essential oils contained in a versatile muslin bag. These oils, while not offensive to humans and non-toxic, are verry irritating to pests like mice and rats. Rodents have a very keen sense of smell and that is exactly what MouseAway uses against them. For those people that wish to avoid poisons, which can easily harm children or family pets, as well as traps, which are cruel and messy, MouseAway is the product for you. Formulated by people knowledgeable in the pool industry, you will be thrilled with the effectiveness of tis product.