Duobao does not refer to a certain kind of gem, but refers to bracelets worn by many kinds of gems or precious materials. These gems include tortoise shells, agates, crystals, corals, amber, pearls, colored glasses and other Buddhist treasures. , as well as beeswax, turquoise, lapis lazuli, titanium crystal, amethyst, malachite and so on. Join the modern Duobaozhu.