Our melting clock earrings are inspired by the Spanish artist Salvador Dali's "La persistencia de la memoria". Material: handmade with hand-painted melting Dali clock and feature 925 silver ear studs which are hypoallergenic. These earrings are waterproof. Size: Every Dali clock earring is unique in shape and the sizes are slightly different. The size of silver and gold clocks are approx. (W x L) 1cm x 2.3cm.  Notice: every piece of the melting clock earrings is handmade and unique in shape.