Big is Sen, Xiao is Lin, A greenery that protects and sustains everything we want. Limited manual, only one, absolutely true. Material: Glass, stainless steel ear size: The size of the large hemisphere is about 2.5cm, and the diameter of the small hemisphere is about 1.5cm (manual measurement) / Use and maintenance methods / Take it off when taking a bath or swimming. When not wearing for a long time, please put it in a zipper bag or sealed can to prevent the natural oxidation of metal. Taiwan's intention to make package Chuhsienchuhsien wants to love the earth as much as possible. The packaging required for shipping will take precedence over the reuse of the carton, but does not affect the design quality and the internal packaging of the product itself. Let us have a lot of frankness and gratitude while having a good design.