420 Science Pop Top Stash Jar - THC Write & Erase (small) This small stash jar will hold a quarter ounce and ensure that it stays fresh. The glass lid has a gasket seal that you'll hear POP every time you open your 420 Jar. The designs are printed with a special ink made from finely ground glass and then fired in a kiln at over 1,000 degrees, permanently binding the design to the jar. Height: 3.25 inches Width: 2.5 inches Holds: 5 fl. oz. / 1/4 oz herb