This new long J post earring measures slightly larger than our ultimate signature j post design with dimensions of 7/16" x 5/8” at its widest point. Materials: 14k gold-fill (14k gold over brass core/no nickel) or sterling silver (.925). All materials are hypoallergenic.These earring were designed in Asbury Park and handmade in our Upstate New York production studio. Please note: Metal Madness Sale items don't qualify for discount -- but you can use CMD Bucks on them! All sales are final.