These labels are small writable rectangular labels for microtube sides made with a strong cryo adhesive ideal for -80°C freezers, dry ice, and liquid nitrogen storage. Specially designed to comfortably fit 0.5 ml, 0.6 ml, and 1.5 ml Eppendorf tubes and microtubes, these waterproof, cryo labels are coated with a permanent adhesive that can withstand prolonged storage inside ultra-low temperature freezers. These freezer labels are supplied in convenient dispenser rolls, and are available in 15 individual colors, as well as packs of 15 assorted colors, for color coding and rapid identification.