Buying this oil burner bowl or bowlstem will fix all the problems in your life, as long as all the problems in your life are caused by you not having an Oil Vapor Bowl, which is way more of a possibility than you may think. It is made of high quality borosilicate glass that is durable yet looks great. This is a top loading vapor globe type. This vapor bowl only works with 14mm joints. If an oil vapor bowl is what you are looking for, and you want something simple that fits in with the rest of your smoking apparatus, you can't go wrong with this.