503 eLiquid is a brand which, when you see, feels like they don't beat around the bush to appeal to their customers. Rather they cut to the chase and arrive at the point. The bottles are minimalistic and functional, which gives of a kind of cool and classy look and feeling. They come in blue bottles which shows it off as unique and peculiar, in a good way that is. They come seven different flavors which are Betty, Blackbird, Blend 4, Caramel Apple Pie, Epicure, Lasso, PomPom, Oasis and Sass. They only come in either 30ml or 120ml bottles with the nicotine level varying from 0mg, 3mg, 6mg and 12mg. Hence, it is the perfect brand for the no - nonsense vapers.