Whirl-Pak® Write-On Bags

Whirl-Pak Write-On sample collection bags provide an easy to use leakproof closure for collection of a wide variety of samples including milk, grains and soil. The white, write-on strip makes sample identification easier and more convenient. The paper-like finish of the strip allows the use of ballpoint pens, pencils or felt-tip markers without smearing. 


  • Convenient write-on strip for easy sample identification
  • Perfect for all sample types
  • Classic puncture-proof tabs
  • Worry-free, no leak closure for sample integrity
  • Wire tabs hold top open for easy access to add or remove sample for testing analysis
  • Saves space and money compared to bottles/containers

Capacity is measured in fluid ounces when the bag is closed and tab is folded over. The volume and dimensions are approximate. Whirl-Pak bags should not be used at temperatures above 82°C and can be frozen to any temperature. All bags are sterilised after manufacturing.

For product details and codes, view the Whirl-Pak Product Guide.