Nasco Whirl-Pak B01364WA Stand-Up Bags, 7.28 x 2.95 Inches (18.5 x 7.5 cm), 118ml Capacity - Pack of 500 | Ideal for Food Sampling, Laboratory Use & Field Research

The white, write-on strip makes sample identification easier and more convenient

Bags can be frozen to any temperature

The paper-like finish virtually eliminates ink smearing, and provides a surface that will accept a variety of writing instruments

ISO-9001 certified Laboratory sampling products