This product is a decorative accessory. Incorrect handling may cause harm or damage to your body. There is a risk of discoloration depending on the material. Depending on your constitution, rashes may occur. If you experience any abnormalities on your skin, stop using it immediately and consult a physician. Please note that there may be damage if pulled out. After use, wipe away dirt and sweat with a soft cloth and store it. ·Please be aware that we cannot accept returns and exchanges for products other than initial defects.