The form of this earcuf makes you think this is a heavy piece but it isnt, it has a hallowing inside that helps with the with and the comfort in the ear. The oppening its 5.5mm and more than enough space to place this piece in any location of the ear. The total weight of thisd piece its only 11.1g in Yellow Gold 18k, 9.3g in Yellow Gold 14K and 7.46g in Silver 925.