Effortlessly print durable, freezer-safe labels from your office computer with Laser Tough-Tags. These chemically inert labels are formatted on standard 8.5" x 11" sheets, allowing you to produce sharp, high-resolution labels using any desktop laser printer—no specialized equipment required. Designed to strongly adhere to microtubes, test tubes, storage boxes, and slides, they are the perfect solution for organizing and identifying important samples stored at moderate freezer temperatures down to -40°C or heated up to 121°C. Key Features & Benefits: Desktop Laser Printer Compatible: Formatted on letter-sized sheets to work seamlessly with standard laser printers, making batch printing convenient and accessible. Moderate Temperature Resistance: Reliably performs in a temperature range from -40°C to 121°C, making them ideal for freezer storage and autoclaving applications. Strong & Permanent Adhesion: Engineered with a powerful adhesive to stick securely to a variety of labware, including microtubes, vials, and storage boxes. Chemically Inert: The durable label material resists degradation from common laboratory chemicals, ensuring your information remains legible. High-Resolution Printing: The smooth surface allows for crisp, clear printing of text, graphics, and barcodes for accurate and easy identification. Convenient & High-Volume: With 2,975 labels per pack, this is a cost-effective solution for large-scale sample labelling projects.