One bottle of 10 ml e-liquid will give you 30 refills of about 0.3ml each. This is equivalent to about 15 cigarettes per refill or 450 cigarettes per bottle (about  22 packs of cigarettes).

Warning:
Please ensure that you keep your nicotine fluid in a safe place at all times. Keep it out of the reach of children and pets. Nicotine is poisonous and could seriously harm your children and pets if swallowed. Please treat like any other dangerous household chemical.

KEY:
Nicotine Strengths:
The e-Liquid comes in 3 strengths, High, Medium and Low, but please note that these keys do not apply to all recipes.

Caramel Swirl strengths are:
High - 24mg/ml, Medium - 18mg/ml and Low - 12mg/ml

Flavour:
Caramel Swirl - A pleasantly sweet caramel toffee flavour.

Please note that all flavours contain Vanilla Essence, so there is always a  trace of sweetness involved in all flavours.