Malloom 50 Piece Hypo Allergenic Bullet Clutch Earring Backs with Pad Safety Backs Materials: Rubber+Alloy Quantity: 50PC/Set Earring Backs for small Fish Hook Earrings Because these earring backs are hypoallergenic they can be used with gold and silver earrings without causing an allergic reaction Malloom 50 Piece Hypo Allergenic Bullet Clutch Earring Backs with Pad Safety Backs