Laura Hooper exclusive mix! Hand mixed by Laura herself at her studio in Alexandria, Virginia this vibrant and bold shade sits somewhere between yellow and green. Brand new for fall/winter 2024! Inks come exactly as shown, pre-mixed & ready for use. All inks are considered "waterproof". 1 oz jar As with any calligraphy ink, we recommend that you open the package over a sink or other easily cleaned area, just in case. When traveling with ink, we always recommend putting your ink in a plastic bag {or two!}.