DabJars Glass #5, when you want the smallest of the jars, but all the best features of the bigger jars we carry. This is it, Glass #5. Holds 1ml, or maybe a gram or so of product. Screw tight lid with the foam insert to prevert leakage. Strong glass - it passes are drop test. We've put a picture of this next to our Glass #4 (which is 2ml). This one is just a little smaller. Rememeber : white cap, 1ml. Black cap : 2ml.