Cork String Lights – 20 Led Bulbs on a 78 Inches Long and Thin Copper Wire.When you turn on the lights, Led string will make a Swaying effect. Not only create a Graceful Gentle Peaceful Warm Romantic, but also the best Way to Recycling Bottles for All Occasions you want. Low Heat,Safe to Use – 3 PCS LR44 Batteries (Batteries included) and no Need to Power Socket,Convenient to Use.It Can Provide Up to 48 Hours of Light by Three New Batteries. (Pack with a Screwdriver.) High Quality & Enjoy DIY Fun – Made of High-quality Ultra Thin Copper Wire With Enough Copper Wires Length and This Battery Powered Wine Bottle Lights can be Easily Designed to Any DIY Shape You Like. Easy To Use & Universal Cork Shape – Pull Out the Insulation Strip, Put the Light Strings into Bottles, and Switch the Button to Turn on/off the Light.The Size Fits Most Bottles. Cork Diameter: 0.65 Inch to 0.9 Inch, Fit Most Wine Bottles, Whiskey Bottles, Beer Bottles and Other Bottles.Pack with a Mini Screwdriver. 100% QUALITY GUARANTEE – Please Rest Assured That You Have Made the Right Purchase. 30 day back money guarantee,We are Pretty Confident About the Quality of Our Candle Style Bottle Cork String Lights.If You Have Any Problems, Please Feel Free To Contact The Seller Directly.