Whirl-Pak® sample bags, low-density polyethylene.
- The exceptionally clear film, making it very easy to see through
- Superior strength, producing an unbreakable sample container
wqThey may be used for taking samples of liquids, semi-solids, or solids. Whirl-Pak® bags are patented. The film thickness varies from 2.25 mils to 4 mils depending on the size and style. Because of the blended polyethylene, a high mil thickness is not required to achieve optimum strength.