Shipping Info:


Weighing in at 34 grams, the GSI Highland Fifth Flask is lightweight and easy to transport. Its foldable design allows it to be conveniently tucked away when not in use.


  • Flexible design allows the GSI Highland Fifth Flask to be rolled or flattened for easy storage
  • Handle design lets you pour without spilling
  • Wide-mouth opening allows for easy filling and pouring
  • Tethered lid ensures the lid stays with the flask
  • Silicone wrap on the lid provides the user with a secure gripping surface
  • Constructed of multiple layers, this laminate flask is BPA-Free and sports a foiled exterior
  • Features a rewritable bar to record name and date information


  • A featherweight at 34 g. / 1.2 oz.
  • Capacity of 750 ml. of liquid