E-cigarette component 1.cartridge refill 5 pack 2.disposable 3.flavor and nicotine could be customize 1 Specifications:1)Diameter:8.5mm2)1pc cartridge can be smoked at least 300 puffs3)5pcs per set4)No tar, no harm to health and to environment 2 Components:5× Cartridges 3 Flavor:All flavors are available 4 level:high:16mg/gmidium:11mg/glow:6mg/gnone:0mg/g