No piercing! One piece Real 18K layered on sterling silver core. Each earring has 925 stamp inside. For an edgy “je ne sais quoi” look, stack them up with other huggie hoops or studs from our collection to create the ultimate curated ear. One of our favourites! Wear it high or low depending on your personal style. MATERIAL: Sterling silver 925, 18K Gold layer DIMENSIONS Cuff Diameter: 1cm Cuff Thickness (thickest point): 0.7cm Note: 18K gold is a warmer hue than 14K Micron < 1