Beautiful and Universal True warm white delivers the most accurate cork fairy lights color that beautifully complements the wine bottle. Putting them in a glass bottle is like a firefly in a bottle and a star in a bottle. Cork lights for wine bottles are very beautiful and romantic, and you will love them. Fits openings as narrow as 1/2 inch and as large as 1 inch, and you can also use them to light up anything, like Christmas trees, rooms, flowers, dark corners, and so on. Extended Lighting Time. Every wine bottle cork light is powered by 3 PCS LR44 batteries (Batteries already installed). Surprisingly, it prolongs the battery life to 75 hours when in continuous lighting, no Need for a Power Socket, and Convenient to use. Enjoy DIY FUN& for Many occasions, Cork lights for wine bottles made of high-quality ultra-thin copper wire, and these battery-powered wine bottle lights can be easily designed to any DIY Shape you like. It makes you feel like you're in Wonderland, and it's a perfect addition to the party atmosphere. Suitable for Party, Wedding, Barbecue, Halloween, Christmas, Square, Garden, bar, Indoor and Outdoor Decoration, etc. It is also a good gift for your Kids, Friends and Families.