With the Venta Geurset you get a set of 3 different fragrances. The bottles consist of: eucalyptus, winter dream and a relaxation fragrance. Each vial contains a 30 gram content. The liquid actually consists of a kind of paste. The paste is suitable for humidifiers. If a humidifier does not have a separate scent compartment, then put your pasta in the water. You only need a little bit for a delicious fragrance.