E cigarette yarn silica fiber 3.0mm 1,High oil absorption 2,No odor 3, ... Guide oil well 4,Smoke easily E cigarette yarn silica fiber 3.0mm Our wick is made of silica material, also ... market, it is welcome by all of our customers all over the world. Main feature:1,High oil absorption2,No odor3 ... ,Guide oil well4,Smoke easilyPhoto: E cigarette yarn silica fiber 3.0mm