Fortitudebottles.com provides more the various Scented Candles, Mason Jars and roll on Bottles . The large selection of bottles offered, include clear glass, frosted glass, cobalt blue and dark amber colored glass bottles that are great for use in perfume oil blends and essential oil blends. We also have high-precision and smooth plastic roll on balls The products are ISO certified, which means we have tried our best to produce the highest quality brand with good controlling processes.