HydroMate The Only Unique Stash Jars That Hydrate & Maintain Herb INDEFINITELY - HydroMates 9oz Patented, scientifically proven, humidity control technology preserves herbs quality, taste and smell while keeping herbs moist for extended periods. 9 ounce jars hold 14 grams of un-ground herbs and 28 grams of ground herbs. 1.7oz, 4oz and 9oz storage management options available with silicone gasket sealed lid and quality cobalt blue glass to limit UV rays and mask odors. Unique artist designed labels & Hide-Me labels disguise the contents.