The most widely used material for making pipes and bongs. Glass is favored because it can withstand temperatures well and prevents flavors from leaching. Glass is also simple to work with and use to make art. Frequently, pieces of glass are divided into scientific and ethereal glass: While heady pieces prioritize form over function, scientific pieces are more robust, functional, and straightforward in appearance. Quartz and borosilicate are two kinds of high-quality, long-lasting glass that are also used in pipes and bongs. They are commonly found in dab rigs and nails.