flexFIBER 3mm - WIREOPTIM  WIREOPTIM flexFIBER cotton is 100% organic, unbleached, and pesticide-free. Long organic multi-fiber cotton strands are carefully electro-cleaned and bound by a shoe lace style aglet in order to offer the easiest installation in your application. These fibers are not compressed, and are specially manufactured to offer excellent fluid absorption.   3mm x 60mm 30 Pcs  Organic, Multi-fiber blend cotton