Fishing Lure Hypoallergenic Dangle with rubber earring backs. 
 
All of earring hooks and jump rings are made of metal alloy, high quality nickel free & lead free, earring backs are made of clear silicone. It is soft and comfortable without nickel, safe and no reactions to very sensitive skin
 
Size: (ear wires) 19 x 18mm/0.75”x0.71”; (open rings) 4mm/0.16” in diameter, earring backs are 2.5 mm in diameter