Reusable Micro centrifuge Tube Racks are manufactured in a state of the art molding facility using high purity virgin Polypropylene (PP). These racks hold a 12 x 8 array (96) of 1.5 and 2.0ml micro centrifuge tubes on one side with smaller positions (80) for the 0.5ml with a 16 x 5 array on the another side. Molded indexing allows for an easy reference of tubes and vials. Complies with requirement accordance with article of regulation (EC) No. 1907/2006 and its amendments.