Cryogenic storage labels use a special adhesive that is designed to withstand extreme cold temperatures as low as -196º C (-311º F). Our cryogenic storage labels can be printed or written on and will not bleed, smudge or smear. These labels are offered in a wide variety of sizes and colors on rolls or laser sheets--perfect for distinguishing various specimens after prolonged periods of cyrogenic storage. Features: Able to withstand extreme cold temperatures Can be written on Available on rolls or sheets Full line of colors Various sizes offered Printing instructions and template included Made in the U.S.A.