Create custom still and sparkling water drinks instantly with the ingenious Thirsti Drink System. Choose your flavor or combine two, then select from among four drink sizes, three fizz levels and two flavor intensities to craft your perfect seltzer, zero-sugar soda or fruit-flavored water. Easy operation means you can enjoy a variety of unique beverages throughout the day, each one made to fit your mood. Thirsti dispenses your drink into the vessel of your choice so you can sip it at home or take it to-go.