Click to expand Tap to zoom Bolt Studs Sale $ 55.00 gold - $ 55.00 silver - $ 55.00 Material gold silver 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Butterfly earring backings Post-back closure — for pierced ears 10 mm length Hypoallergenic. Water Resistant. Rust-Resistant. Sustainable.