This 200ml each of orient sandalwood,rose Oud and Englsh pear and fressia aromatic diffuser fragrance oil contains very high quality oils and pure plant extracts.it is specially formulated to provide extra long lasting continuous fragrance to your space. The natural wooden strips of any diffuser will absorb the fragranced liquid and then diffuse aroma into the atmosphere. A diffuser is an easy effective and safe way to diffuse continuous fragrance .