HydroMate The Only Unique Stash Jars That Hydrate & Maintain Herb INDEFINITELY - Nivia 1.7oz Patented, scientifically proven, humidity control technology preserves herbs quality, taste and smell while keeping herbs moist for extended periods. 1.7 ounce jars holds up to 3.5 grams of un-ground herbs and up to 7 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. 30 Day 100% satisfaction guaranteed.