7PCS Mixed 16mm Copper Globe Chime Ball Harmony Relax Mediate Jingle Bell Ball For Locket Necklace Harmony Bola ball Pendant,a best gift for pregnancy Mum and baby. Main Material: Copper Size(about):Diameter=16mm,in inch:0.63" Wihgt(about): 4g/pcs Soft Music Chime Ball, Make Wonderful Sounds,fit for harmony cages