Flavor West flavour concentrates are Naturally and Artificially Flavoured. Made in the USA & Rebottled by Vapour Depot in the UK. Available Sizes: 10ml, 30ml, 100ml Recommended Mix (Single Flavour): 15% Recommended Mix (Multiple Flavour Recipe):5% Requires mixing with Vegetable Glycerin & Propylene Glycol before can be vaped. FW Rainbow Sherbet Concentrated Flavouring We know that all you really want is a delicious tasting, high quality food grade concentrated flavoring, and thats precisely what we bring you. This flavor reminds you of the classic raspberry, key lime, and orange Rainbow Sherbet. You won\'t be disappointed with the taste and aroma of this flavor.