Convenient Cryo-Tags offer superior temperature and chemical resistance. Durable labels withstand cryogenic liquid nitrogen storage, boiling water baths, solvents, caustic solutions and other laboratory chemicals. Cryo-Tags fit bottles, flasks, vials, cryoboxes and more. Chemically inert poly vinyl labels adhere to all polypropylene and polyethylene surfaces without cracking, peeling or degrading and can be marked with a regular pen or marker. Laser Tags are available 60 labels per sheet, 20 sheets per package. For cryogenic freezer temperatures All purpose labels Pre-cut, peel-off labels Withstand -196°C Withstand -196°C Laser Sheets