These small-diameter, waterproof, round cryo labels are designed for microtube tops, enabling clear identification of samples stored in low-temperature environments. Writable and compatible with cryogenic markers, they feature a strong adhesive ideal for -80°C freezers, dry ice, and liquid nitrogen*. Supplied in a roll within a convenient dispenser box for smooth dispensing and a clean, organized lab bench. Available in a wide range of colors for efficient color-coding and quick sample identification.* Use in liquid nitrogen is subject to prior verification of compatibility between the labels and the intended vial cap material.