The Diffusers contain soya based oils which are completely natural and eco friendly. Square shaped bottle with 120ml of your choice of fragrance! We have over 18 scents to choose from Let us help you choose a scent that suits your taste... Fruity Plum & Rhubarb Rhubarb & Rose Lime Basil & Mandarin English Pear & Freesia Pomegranate & Amber Noir Blackberry & Bay Floral Velvet Rose & Oud Pink Sands Plum Rose & Patchouli Sweet Summer Fruits Seaweed & Juniper Myrrh & Tonka Spicy & woody Tobacco & Oak Musk & Sandalwood Wild Fig & Cassis Vanilla Fresh & Clean Clean Cotton Sage & Sea salt Earl Grey & Cucumber Essential oils Lavender