The size and shape is easy to grab out of a jersey pocket. I like the flat on the bottom for filling. Cleans easily in the top rack of our dishwasher. The bonus for me is the the clear plastic cap works as a dust cap for the camelback podium bottle.
This product works well. You will not feel a rush of energy, but rather a steady, even level of energy.
In addition, Hammer gel flavors, at least the ones I've tried,orange,tropical and raspberry are not terribly sweet. Lastly, even though this is not important to some, it may be to others, these are vegan products.
On hot, humid summer days, I take an Endurolyte capsule before a ride, after each hour of riding, and when I finish my ride. So far, cramping has been eliminated for me. However, results may vary with each individual.