The bangle is made from 1 mm thick high-grade copper that is strong but also flexible enough to be easily bent to your wrist shape. It has open closure, easy to adjust size to fit most wristrist. A wearable source of natural copper mineral with may help alleviate symptoms associated with arthritis and/or inflammation. Please note that due to the nature of the process, the pattern on your bracelet may differ slightly from the photographs. As each piece is handmade with care, please allow for minor variations. It has protective coatings also protect the copper jewelry from tarnishing. Wearing is not recommended while swimming or bathing. With proper care, you will enjoy them for many years.