Streamline your high-volume sample labeling with these 0.50-inch Laser Tough-Spots®. This bulk pack allows you to affordably produce thousands of durable, cryogenic-safe labels directly from your standard office laser printer. The versatile 0.5-inch size is ideal for labeling a wide variety of labware, including cryovials and microtubes. Engineered for the most demanding applications, these labels will remain securely adhered and clearly legible through the entire storage and processing workflow, from liquid nitrogen at -196°C to boiling water baths and dry heat up to 150°C. Key Features & Benefits: High-Volume & Cost-Effective: With 3,840 labels per pack, this is an economical choice for labs with extensive sample collections and high-throughput needs. Desktop Laser Printer Compatible: Formatted on standard 8.5" x 11" sheets to work seamlessly with your existing laser printer for easy, convenient batch printing. Extreme Temperature Resistance: Built to endure a remarkable temperature range from -196°C to 150°C, making them ideal for cryogenic storage, autoclaving, and dry heat applications. Versatile 0.5-Inch Size: A popular and adaptable size that fits perfectly on the caps of many standard cryovials and microtubes (e.g., 2.0ml). Chemical & Solvent Resistant: The chemically inert material and strong, solvent-resistant adhesive ensure your printed information remains intact, even with chemical exposure. Strong & Permanent Adhesion: Engineered to stick securely to a variety of labware, including vials, tubes, beakers, and metal racks, even through extreme temperature shifts.