If you need a new concenrtate jar, these new style 9mL cube jars are child proof and the perfect fit. It is big enough to fit all your wax and even makes it harder to open than many of the other ones.
The 9mL Cube (Qube) Child Proof Clear Glass Concentrate Jar is a clear glass that you can see from the bottom. It does have a black cap on top though. It's small enough to fit in your pocket.