TFV12 Baby Prince is the upgraded version of TFV8 Baby Beast tank! Its included V8 baby -Q4 ,V8 baby-T12 coil and V8 Baby Mesh coil are compatible with Baby Beast coils, the new coils can produce denser vapor and purer flavor at the same wattage, which is an awesome improvement! This tank employs bulb glass tube, which can enlarge the e-Liquid capacity to 4.5ml. Every detail of TFV12 Baby Prince is the best guarantee for high-quality vaping. Innovation keeps changing the vaping experience!