Silver 20 mm Hoop EarringsSilver Hoop Earrings These 925 sterling silver hoop earrings have an 20 mm diameter, creating a classic and wearable size suitable for any occasion. Each hoop is crafted from solid silver and has been given a highly polished finish, resulting in a bright and reflective surface. The 925 sterling silver composition means the earrings are made from 92. 5% pure silver, blended with other metals for enhanced durability.