• Image
  • Image
  • Image

GSI Boulder 10 fl oz Flask

  • Product Number: 3303 - 1329GH

Your favorite beverage can now go anywhere in the graphite Boulder Flask. Can also take a fall with the sleek protective bumper. The Boulder 10 Flask holds 10 fl oz, has a shatter-resistant body with bumper, graduations, and a hinged silicone cap making it impossible to misplace.


  • Shatter-resistant, copolyester resin body and grippy, silicone bumper mean this flask can go anywhere
  • Wide mouth makes for easy filling, pouring and drinking
  • Hinged top with silicone grip is easy to open and impossible to misplace
  • Convenient molded graduation marks
  • Includes Hinged cap, Silicone Bumper, 10 fl. oz. Flask
  • BPA Free


  • Weight: 4.1 oz
  • Volume: 10 fl. oz.
  • Dimensions: 3.7" x 1.1" x 6.5"
  • Material: Copolyester, Silicone