Ensure clear and durable identification for your smallest samples with these miniature Tough-Spots®. Perfectly sized at just 0.1875 inches (4.8mm), these PVC cryogenic labels are the ideal solution for labeling the tops of 0.2ml and 0.5ml microtubes, including PCR tubes and strips. These versatile spots feature a strong adhesive that withstands a wide temperature range, from liquid nitrogen storage at -196°C up to 80°C, ensuring your markings remain secure through diverse laboratory processes. Key Features & Benefits: Miniature Size: The extra-small diameter is specifically designed for labeling the tops of low-volume tubes (0.2ml and 0.5ml) and other small labware where space is minimal. Extreme Temperature Resistance: With a service temperature from -196°C to 80°C, these labels are perfect for long-term cryogenic storage, freezer use, and general lab applications. Durable PVC Material: Made from tough PVC, these spots resist water and most laboratory chemicals, ensuring your handwritten information remains legible. Strong & Permanent Adhesion: Engineered with a powerful adhesive to stick securely to small, curved, and irregular surfaces without peeling or falling off. Convenient Roll Format: Supplied in a dispenser box with 1,500 spots on a continuous roll, allowing for quick peeling and application. Versatile Application: An essential tool for PCR, sequencing, and any workflow involving small-volume tubes that require clear and reliable identification.