Coffee Mill concentrate is an American range of flavour concentrate for DIY e-liquid, in the gourmand and fruit families: coffee with milk and caramel, coconut milk and mocha, popcorn with caramel and sugar, cactus. It is diluted in a 50/50 base and steeping takes 7 to 15 days. Made in the USA. Bottle size: 10 ml. Recommended dilution: 10%.