The necklace of the small cylinder is called IDO. The necklace of small cylinder is a necklace of IDOBOOM porcelain series, which uses BOOM porcelain to interpret the independence and pure passion of young men and women in love. Boom, whether it is the moment of love collision, is also an uncontrollable heartbeat boom, which is the most extreme state of love. IDoBOOM porcelain series will launch diamond-encrusted earrings and necklaces one after another. Dazzling diamonds are like hot eyes, which make people lock at a glance. Minimal black and white is like clear love, which feels fatal attraction. Boom porcelain hangs on my chest, feeling heartache. Boom porcelain shook her ears and listened to the voice of love.

Necklace is a chain jewelry made of gold, silver and jewelry. It is one of the ornaments of human body and the earliest jewelry. In addition to decorative functions, some necklaces also have special display functions, such as Catholic cross chains and Buddhist prayer beads. Since ancient times, in order to beautify the human body and the environment, people have made necklaces with different styles, characteristics and styles to meet the aesthetic needs of people with different skin colors, nationalities and aesthetics. This paper introduces the style of necklace from two aspects: material and style. As far as materials are concerned, there are several kinds of necklaces in the jewelry market, such as gold, silver and jewelry.