0.5ml vial, yellow cap , no barcode, pp, no o-ring;rnase & dnase free, foreign dna free, non-pyogenic, sterile,working temperature: -196--+121degree,25 pieces/bag, 20 bags/pack, 2 packs/case

Feature:

• Cryogenic vials are made of medical grade polypropylene; Can be repeatedly frozen and thawed.
• These cryogenic storage tubes are DNase & RNase free, endotoxin free, and foreign DNA free, ensuring accurate and reliable results for university and institute researchers.
• With a stable temperature range from -196℃ to 121℃, these small vials are suitable for liquid nitrogen freezing in gas phase, making them perfect for lab storage.
• The white writing area and black graduations on these plastic vials with caps make it easy to label and organize your samples.