Whirl-Pak® Write On Bags 4 oz

4 oz. (118 ml) capacity

3 in. W x 7-1/4 in. L (7.5 x 18.5 cm)

2.25 mil (.057 mm) thick

Box of 500

The blue write-on strip makes sample identification easier and more convenient. It's easy to write on this blue 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. Fill lines are approximate.

Capacity is measured in fluid ounces when the bag is closed and tab is folded over three times. Volume and dimensions are approximate; bags should not be used at temperatures above 180° F (82° C). Bags can be frozen to any temperature, even liquid nitrogen - careful handling required after freezing. All bags are sterilized after manufacturing.