Ongrok Child Resistant 500ml/45g Borosilicate Glass Storage Jars - x2 Per PackONGROK GLASS STORAGE JAR WHAT AM I? A dual pack of frosted glass airtight storage jars. Each has a capacity of 500ml (fluid) or 45g (herbal material) along with a child resistant lid. Almost 100% borosilicate glass has been used (not the lid) and not just any old glass but UV resistant frosted glass. Ongrok was first introduced to me via one of my helpful staff members, she was particularly excited when I arrived one morning, and we then spent the day