Sterile Whirl-Pak® Bags 2oz/60ml are a great multi-use item. Developed over 60 years ago and made in the U.S.A., Whirl-Pak® bags were the first sterile sample bags on the market. Use sterile Whirl-Pak® Bags in reproduction as a collection sheath, end cone, or semen transport container. Or conversely, in rearing to store and/or freeze puppy formula.
Sterile Whirl-Pak® Bags 2oz/60ml are patented under Patent No. 2,973,131 and other patents pending. The film thickness varies from 2.25 mils (0.057 mm) to 4.0 mils (0.102 mm), depending on size and style.