Cryo-StrawTAG™; CRYOGENIC LABELS FOR IDENTIFICATION OF STRAWS IN IVF Recommended for 0.25 ml IVF Straw. White part of the label can be printed in regular thermal transfer printers. Labels can withstand long-term cryogenic storage at -196ºC in liquid and vapor phase liquid nitrogen and ultra-low temperature freezers. Mark: notch Core diameter: 1" (25.4mm); Perforation: no Labels/roll: 1,000 1.375" x 0.875" / 35mm x 22mm