Warm tips & Maintenance Attention 1. Please avoid contacting with the acid and alkali, corrosive substances. 2. Please avoid the collision, so as to avoid surface scratches. 3. Please avoid Perfume, Body Lotion, Hairspray or any other Chemical that May Harm the shine of the metal. 4. Please avoid wearing it when sweating a lot, shower or sleep, etc. 100% Satisfaction Guarantee We Provide 180-Day Products Exchange Or Money Back. Just Feel Free To Contact Us If You Have Any Problem,We Will Solve For You Within 24 Hours.