Sydney Evan Cocktail Bar Neck14k yellow gold and diamond small cocktail bar necklace. 14k yellow gold lightweight square chain is 16 18" in length. The bar measures approximately 1 10"H x 3 4"W. Please use caution when applying hairsprays, lotions, colognes and perfumes when wearing Sydney Evan jewels. Their application may cause the metal to tarnish. When cleaning fine jewelry it is always best to leave it to a professional as many home cleaning methods may cause damage.