特殊設計可使樣品保存長達2年以上時間，Whirl-Pak®長期保存樣品袋是用戶節省了金錢和空間，且表面附書寫區，方便記錄各項采樣信息。

適合于液體樣品采樣，密封性，能折疊三次。使用溫度達82°C ，可以在任何低溫下使用，甚至液氮環境。所有產品都經過嚴格的滅菌處理，請放心使用。

Capacity is measured in fluid ounces when the bag is closed and tab is folded over three times. Volume and dimensions are approximate; bags should not be used at temperatures above 180° F （82° C）. Bags can be frozen to any temperature, even liquid nitrogen – careful handling required after freezing. All bags are sterilized after manufacturing.