Flavorah flavour concentrates are Naturally and Artificially Flavoured. Made in the USA & Rebottled by Vapour Depot in the UK. Available Sizes: 10ml Recommended Mix (Single Flavour): 4% Recommended Mix (Multiple Flavour Recipe):2% Requires mixing with Vegetable Glycerin & Propylene Glycol before can be vaped. FLV Tropical Citrus Concentrated Flavouring Flavorah focus all of their energy and attention to the flavoring concentrates that makes DIY e liquid and commercial ejuice an art form. Blends notes of orange and sweetened lemons. Like a triple-sec margarita, this tropical citrus is more than just one fruit to peel. Decidedly tropical, yet not committed to one citrus fruit. The citrus goes well with any cool mint flavors you may have in your arsenal.