Volcano Inferno kit is $75 kit w/2 batteries, tube tank, charger, 15ml bottle of liquid and case. 15ml is about 1 carton. 15ml is $12.99 & 30ml is $19.99 your choice of 8mg, 16mg or 24mg nicotine. Its also legal to smoke in any public place. Just remember treat this like a actual cig. 8-10 puffs per cig so 8-10 puffs per ecig.