These Elsa Perretti for Tiffany & Co elongated teardrop earrings for non-pierced ears are fully hallmarked, in sterling silver, with omega clip backs, measuring 1/2" w x 1" h x 3/8" deep. From Tiffany & Co's website (though no longer available at the stores): "Reminiscent of a solitary raindrop or a shining bead of morning dew. Earrings in sterling silver, for pierced ears. Original designs copyrighted by Elsa Peretti."