30mm x 15mm Cryogenic Label (1 Roll = 2000pcs, 38mm Core)30mm x 15mm Cryogenic Label (1 Roll = 2000pcs, 38mm Core) Product Summary 30mm x 15mm Cryogenic Labels (1 Roll = 2000 pcs, 38mm Core) are specifically designed for extreme cold storage, making them perfect for labelling vials, tubes, and containers. These durable, waterproof labels withstand cryogenic temperatures down to 196C and are compatible with resin ribbons for reliable, smudge resistant printing.