CUSTARD MONSTER - BLUEBERRY CUSTARD A rich, creamy Vanilla Custard mixed with the tartness of Blueberry for the perfect balance of sweetness! Custard Monster is a premium e-liquid that comes in a 100ml chubby gorilla bottle. It’s 75% vegetable glycerin (VG) and 25% propylene glycol (PG) base is great for those who desire the best flavor. MADE IN THE USA.