Safe Material: These silver rings are made of 925 sterling silver. The surfaces are polished with a black finish to create a vintage look. This special design represents classic and eternity styles. They are high polished, nickel-free, and anti-allergic, making them suitable for daily wear as everyday jewelry.Size & Multi-Purpose: Ring diameter is 17.5mm (original size O). The open design allows the rings to be easily adjusted by hand to fit various sizes, ranging from size K to size S. These silver rings are lightweight and comfortable to wear. They can be used as finger rings, knuckle rings, or toe rings, making them suitable for both women and men, girls and boys.Vintage Ring Details: This finger ring features a crown-inspired design. Its classic style can be worn alone or stacked with other rings. Simple and adjustable, it is easy to match with various outfits and ideal for daily wear or casual occasions such as parties, weddings, proms, and banquets. Suitable for pairing with t-shirts, skirts, jeans, dresses, suits, sweaters, and coats.Perfect Gift Choice: This 925 sterling silver ring makes a thoughtful gift for friends, wives, girlfriends, mothers, or loved ones, ideal for occasions such as birthdays, Christmas, Mother's Day, Valentine's Day, and anniversaries.