For applications requiring maximum space and visibility, these extra-large 1-inch Tough-Spots® are the ultimate solution. Offering a substantial writing area, they are perfect for labeling large-volume containers such as 50ml centrifuge tubes, media bottles, beakers, and freezer boxes with detailed information. Made from durable PVC, these labels are built to endure the most extreme laboratory conditions, adhering securely from the deep freeze of liquid nitrogen at -196°C to the heat of a water bath at 80°C. Key Features & Benefits: Maximum Writing Area: The extra-large 1-inch (25.4mm) diameter provides ample room for detailed sample names, dates, lot numbers, and other critical information. Ideal for Large Containers: Perfectly sized for labeling 50ml conical tubes, bottles, flasks, and storage boxes where smaller labels would be insufficient. Extreme Temperature Resistance: With a service temperature from -196°C to 80°C, these labels are built for deep-freeze cryogenic storage, freezer use, and general lab applications. Durable PVC Material: Tough PVC construction resists water and most laboratory chemicals, ensuring your handwritten information remains clear and intact. Strong & Permanent Adhesion: Engineered with a powerful adhesive to stick securely to a variety of surfaces, including plastics, glass, and cardboard. Convenient Roll Format: Supplied in a dispenser box containing a roll of 500 spots for quick and easy application at the bench.