Whirl-Pak® polyethylene sample bags are known for their clarity and strength. They may be used for laboratory testing of liquids, semi-solids, or solid samples for the food and dairy industry. Sample bags are sterile and have a 4oz and 100mL fill line. They should not be used at temperatures above 180°F (82°C). Bags can be frozen to any temperature, even liquid nitrogen, however, careful handling is required after freezing.

Features & Benefits:

• Made with a flat aluminum wire closure that provides a thicker tab for heavier closure
• Aluminum wire will not rust
• Features 'puncture proof tabs' that eliminate any sharp, cutting, exposed edges
• Features a white, write-on strip that makes sample identification easier and more convenient