The amount of water absorbed by dropper can be adjusted by controlling the strength of grasping the dropper end. Also suitable for chocolate, cupcakes, mini cakes, waffles, childrens painting, kitchen supplies, etc. Great for infusion, good for liquor on strawberries, booze infuse cupcake, or get oils out of the jars to put in your diffuser. Made from high quality food-grade plastic, transparent, convenient and easy to use.