This is 12' (12ft) of 2mm High Quality Ekowool Silica Wick Braided Hollow. Perfect for atty's or other heating type applications. It is slightly larger than traditional 2mm silica wick by  0.2mm. See pictures. Ecologically clean materials EkowoolTM Supersil successfully replace cancer-causing materials based on asbestos, ceramic and basaltic fibers. They can also be used instead of such wide known materials as ТЕRMOSTEC, ЕUROISOL, MINERAL WOOL PLATES AND FLOORMAT, PENOPLEX, PAROC, ISOROC, ISOVER, ROCKWOOL, URSA.