These are more than just hoop earrings. They feature a detachable eternity ring, giving you two earring styles in one. The hoop drops 2.5cms and the eternity ring is 2cm. They are the perfect earring for day or night. The post and back are sterling silver and the entire earring is gold plated in Birmingham in 2 microns of 18K gold. Please note, for hygiene reasons, we are unable to offer exchanges or refunds on earrings.