Fun jigsaw necklace with 18K gold plating

Material: titanium steel + vacuum plating in furnace + rose color
The length of the chain is about 40cm+5cm extension chain
The pendant is 2.5cm wide and 1.5cm high
Fadeless, non-allergic, waterproof and sweatproof (fully in line with international environmental standards)
Rose gold plated with 316L titanium steel from Germany, three layers of gold in vacuum furnace (not ordinary electroplating)