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3-3/4″ x 7″ Whirl-Pak® Sterile Sampling Write-on® Bag – 7 oz. (2.5 mil)

Clear virgin polyethylene bag is sample-ready to eliminate prep time! Tear off perforation at top, pull open with center tabs, insert sample, fold top over, and close double-wire end tabs to create an airtight, leakproof seal for transporting liquid, solid, or semi-solid specimens. Meets FDA and USDA specifications for food contact.