No piercing, no worries. This ear cuff f eatures a simple, elegant earring that hugs the cartilage. Put the Ear Cuffs on (stacked or alone) and head out. It's as simple as that. Made in 14k gold plated over sterling silver Cuff thickness: 2mm; Cuff diameter: 13mm. If your cuff is feeling loose, be sure to gently squeeze it to fit more securely Hypoallergenic, nickel and lead free Tarnish resistant