These adorable little mismatched bike and mountain studs are perfect for everyday. Whether for adventuring in the mountains or a gift giving, the size is perfect. Made from stainless steel they are hypoallergenic and can be worn by most people and children. These lovely little earrings are shiny, non tarnish and non rusting. The mountain and the bike are approximately 5mm x 10mm each. These are available in silver or gold. The mountains are calling!