E cigarette yarn silica fiber 3.0mm 1,High oil absorption 2,No odor ... .0mm Our wick is made of silica material, also call silica wick, it is specially used in the atomizer of E cigarette, because ... of its good quality in oil guide, easy ... ,No odor3,Guide oil well4,Smoke easilyPhoto: E cigarette yarn silica fiber 3.0mm