Whirl Pak® Bags, Write-On, 18 oz., Box of 500 Weather Instruments and biological degradation

and biological degradation

Product Code: MAT8660

Product Code: 1180-C45

Product Code: 0021-P

but prefer to have it shipped on a roll

Whirl Pak® Bags, Write-On, 18 oz., Box of 500 Weather Instruments and biological degradationProduct Code: B01065WA 18 oz. Capacity, 4. 5" x 9", 2. 5 mil Wall These bags are the same as the plain Whirl Bak bags, but are designed with a white, write on strip for more accurate identification and added convenience. It is easy to write on this white strip with an ordinary ball point pen, pencil or felt tip marker. The paper like finish virtually eliminates ink smearing. Whirl Pak sampling bags are made of a blended polyethylene containing ethyl