Cubic zirconia screw back earrings are earrings that feature cubic zirconia gemstones and screw backs for secure and comfortable wearing. Cubic zirconia is a man-made material that is optically similar to a diamond, but it is less expensive and more accessible. It is a popular choice for jewelry because it is affordable, durable, and comes in a variety of colors and shapes. The screw back design of these earrings ensures that they are held securely in place, making them a great choice for people who are active or who want to wear earrings while sleeping. The screw backs are made of metal and feature a threaded post that is screwed onto a small, flat disc on the back of the earring. This design allows the wearer to adjust the tightness of the earring, ensuring a comfortable and secure fit. Cubic zirconia screw back earrings come in a variety of styles and sizes, ranging from small studs to larger statement pieces. They are often made of high-quality materials such as sterling silver or 14k gold, and the cubic zirconia stones are typically faceted to catch and reflect light, giving the earrings a sparkling and glamorous look. Overall, cubic zirconia screw back earrings are a stylish and practical choice for anyone looking for affordable and comfortable earrings that are also durable and long-lasting.