Whirl-PakŪ Sampling Bags

Sterile, single-service bags can be used for sampling liquids, semi-solids and solids. Easy to use--tear off top, pour in sample, whirl the bag shut.
Specifications: Lightweight, unbreakable polyethylene bags have an unlimited shelf-life. Patented punctureproof tabs. Write-On Whirl-Pak Bags have a white strip to mark with pen, pencil or felt-tip marker. Stand-Up Whirl-Pak Bags have a special gusset that creates a flat bottom when filling bag so bag stands on its own. Write-on strip.