If you like how the GU Energy Gels work but hate all of the packaging material that comes with the single-serve gels, GU now offers a larger 15 surviving container and a reusable 5 serving Gel Flask. The GU Gel Flask takes the place of 5 gels and features measurement mark on the back side of it to tell you how much you have used.
Soft flask with high-flow nozzle
Holds 5 servings of Energy Gel
Includes marks on the back for measurement
The GU Reusable Energy Flask keeps you fueled with the same GU Gels without the guilt of excess packaging.
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