BENDABLE & FLEXIBLE: The led string lights is made of high quality thin flexible copper wire. Mini lights are so flexible, can be easily bent and shaped into any appearance as you want or wrapped on anything you want like trees, plants, fence, patio, etc, which create a romantic starry atmosphere for you. SAFE & ENERGY-SAVING: The fairy string lights are low energy consumption, no overheat after usage, safe to touch. No need to worry about overheat after many hours of use or damage to the string or shorting the string. 12V fairy string lights are more energy saving and portable for using. LED fairy lights provide upgraded brightness for illumination and decoration.