Nasco Whirl-Pak Sampling Bags Clear 18 oz,500 Count Box

Clear Whirl-Pak® bags are easy to use. Just tear off the top, pull tabs to open, place or pour sample in bag, whirl the bag shut, fold wire ends onto bag. Patented puncture-proof tabs eliminate punctures.
Features:Description: Clear, 18 oz.
Dim. L x W (in.): 4 1/2 x 9
Mil. Thickness: 2.5
Qty/ Box: 500.
