It is made up of three layers of glass. The upper part is slightly inclined to increase the refractive surface. As the sunlight refracts, the color will change.
 
 Necklace length: chain about 45 cm
 Necklace material: chain (plating)
 Top size: about 1.5 x 0.5 cm
 Upper layer material: glass (use high-quality auxiliary glass with high transparency, light weight and good coloring)
 
 Specification: Necklace
 Origin: Japan