GBT020 2ml 2ml Microcentrifuge Tube 500pcs/bag, 10bags/ctn 6.5 49.5 X 28.5 X 38 2.0ML Micro Centrifuge Tube Centrifuge Tube 1. Made from virgin polypropylene 2. Autoclavable at 121 and freezable to -80 3. Easy open and closing 4. Different colors can be chosen 5. Bulk Package, 500pcs/bag, 10bags/ctn