Made by a domestic manufacturer. All components are K10 yellow gold (K10 hallmark on the earring hooks). The hanging chain is double-layered. The freshwater pearls are approximately 4.5 x 4 mm. The total length is approximately 47 mm from the bottom of the hook. Includes silicone stoppers. Other accessories are not included. Please refrain from price negotiations. K10 Yellow Gold K10 Freshwater Pearl Earrings