Perfect as a traditional gift for an 18th or 21st birthday, or for the person that holds the key to your heart, this pair of sterling silver stud earrings features a tiny key and a miniature padlock. The 2D designs help you create a modern, asymmetric look that's fresh and youthful whatever your age. The largest form is 9mm x 6mm x 1mm and each earring has 12mm pins secured with a butterfly back.