Are the black glass jars completely opaque? Opacity of black glass jars Yes, the black glass jars are completely opaque and will not allow light or the glow of a flame to shine through.
![Tinware Logo 27.03.17.png]](https://info.tinwaredirect.com/hs-fs/hubfs/Tinware%20Logo%2027.03.17.png?height=50&name=Tinware%20Logo%2027.03.17.png)