Water resistant, Brass,18k gold with pearls, Gold filled chain, Hypoallergenic, Nickel free Size: 15" + 3" extender, pendant: 7mm x 8mm. Closure: lobster clasp Designer note Dainty never goes out of style; enjoy the latest in the bestselling initials series. The pearl initials are crafted to elevate any layered look and fit any style. Trend alert: pearls are hot for the spring and summer this year! Style tip: pair with the I love double choker and the pearl huggies for a truly dainty set.