Nasco Whirl-Pak Sampling Bags Write-On 4 oz,500 Count Box

Write-On bags have a white write-on strip for easy-to-read identification.
Features:Description: Write-On, 4 oz
Dim. L x W (in.): 3 x 7 1/4
Mil. Thickness: 2.5
Qty/ Box: 500.

Write-On bags have a white write-on strip for easy-to-read identification.
Features: