his product is made up of eco-friendly material without containing the harmful substances. These dew drop shaped bulbs with high brightness are truly cute and adorable. A conveniently usb powered, assembled with a usb plug to conveniently access to any usb port including usb adapter, power bank or computer. Wire is clean, shiny and flexible that you can bend it into any shape in a creative ways, like wrap it around the trees or the fence in your back yard, decorate your desk, beds, cabinets, patios and many other places.