Corning Pyrex Borosilicate Glass Orange Color-Coded Sterile Disposable Serological Pipets, TD, Plugged, Individually Wrapped, 10ml Capacity (Case of 600) Calibrated "to deliver" Has negative graduations and fire-polished tips for burr-free, even flow rates Individually wrapped in Steri-View wrapping (one side paper, one side plastic) for easier identification and opening