Whirlpak Sample Bags 200ml, Calibrated with Write-on area.
Twist and seal mechanism, will not leak, lay on side for incubation.
FDA Approved.The white, write-on strip makes sample identification easier and more convenient. It’s easy to write on this white strip using an ordinary ballpoint pen, pencil, or felt-tip marker. The paper-like finish virtually eliminates ink smearing, and provides a surface that will accept a variety of writing instruments. To assist in volume control, this bag has a 4-oz. and a 100 ml fill line.