There is cotton in one of the glass cells to add essential oils. When wearing, the temperature of the glass will rise with the body temperature, and then release the aroma.
 
 Necklace length: chain about 45 cm
 Necklace material: chain (plating)
 Top size: about 2.5 x 0.8 cm
 Upper layer material: glass (use high-quality auxiliary glass with high transparency, light weight and good coloring)
 
 Specification: Necklace
 Origin: Japan