"I've been slacking on my water intake lately, and the H20 Coach Gallon Sports Water Bottle ($27) is the answer to my dehydrated prayers. The time markers give me tangible goals to aim for, each one with an encourageing phrase ("Drink up!" "Don't stop now!") to keep me motivated. I'm still working on finishing the whole thing in one day, but the bottle at least makes it fun to try." — Maggie Ryan, assistant editor, Fitness