They are available in four great flavors; Grapefruit, Pomegranate, Lemon Lime, and Ginger Basil Limeade. Oh Hi CBD seltzers are sold in twelve-ounce cans, each with 15 milligrams of fast-acting flavorless CBD isolate. A tremendously convenient way to get your daily dose of CBD - Hurray! These bubbly CBD infused beverages have the right amount of flavor to rev your soul and ease your woes. Light, crisp, refreshing, Oh Hi CBD Infused Seltzers are ready for your every-occasion.