The Diffusers contain soya based oils which are completely natural and eco friendly. Round shaped bottle with 50ml of your choice of fragrance! We have 20 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 Spicy & Woody Tobacco & Oak Musk & Sandalwood Wild Fig & Cassis Vanilla Fresh & Clean Clean Cotton Sage & Sea Salt Earl Grey & Cucumber Essential Oils Lavender