Nasco Whirl-Pak B01297WA Sample Bags with White Write-on Strip | Sterile Specimen Collection Bags for Food Testing, Environmental Sampling & Laboratory Use

Product Description

Blend of low density polyethylene disposable bags seal tightly, holds solids or liquids. Combination of tape and double wire framing on top of both sides make them stay open. To get a moisture and air-tight seal, whirl bag over wire tape three times and bend tabs over to lock shut. Handy pull tabs for easy opening. Material meets USDA and FDA standards.