Feature: 1.The LED string is made with a fine bendable copper wire that can conform to any shape you want, and add a beautiful decorative accent. 2.Made of high copper wire, flexible, IP65 waterproof, durable for daily use. 3.Low heat generating, energy-saving and environmentally friendly, safe to use. 4.20 LED copper string light, with a standard bottle stopper, suitable for most bottles. Put the light in a glass bottle, make the bottle become a wonderful decorative craft light! Package Included: 6pc 20LED Copper String Light