Lost another butterfly back down the sofa? Or maybe it's fallen victim to some over-enthusiastic vacuuming?! Never fear, replacing them with jewellerybox is as easy as 1, 2, 3. 1: select your size from 3, 4 or 5mm. 2: select how many replacement pairs you need. 3: add them to your basket. These pairs are made from solid 9ct yellow gold, but we also stock them in alternative materials and styles.