Set of 2 - Concentrated Fragrance Oil - Scent - Black Tie: Sophisticated notes of leather w/ warm woods, patchouli, musk. Infused w/essential oils (.33 fl.oz.) oil Made in USA Use 4-6 drops of Concentrated Fragrance Oil in a oil warmer. Tip: A few drops will revitalize your wax melts. Made with Natural & Essential Oils - Made With Natural Essential Oils. Tip: A few drops will revitalize your wax melts. Made With Natural Essential Oils. Premium Concentrated Fragrance Oil - Scent - Black Tie: Sophisticated notes of leather w/ warm woods, patchouli, musk. Infused w/essential oil. Available in multiple sizes (2 fl. oz.) No added synthetic dyes or harmful chemicals - Non-Toxic Highly scented - Vegan & Never tested on animals