The perfect way to store fresh herbs such as basil, cilantro, parsley, sage, thyme, etc. The 3-piece set includes a base to be filled with water, a holder ring for keeping herbs in place, and a cover to keep them clean and dust-free while storing them at the optimum vapor pressure and humidity. Ideal for asparagus, too! Dishwasher safe. height: 9.5", diameter: 3.8"