Widely UseThese wine bottle cork lights are flexible but sturdy, can be easily bended and put in bottles easily, which is perfect for decorating house for festivals, Halloween, Christmas, Thanksgiving Day, party, wedding, concert, indoor or outdoor. Energy-Saving and Environmentally FriendlyThe wine bottle lights made of high-quality material flexible and easy to store, the string light has high brightness, low radiation and no pollution. It is also a good gift for your Kids, Friends and Families. Update DesignEach led fairy string lights doesn't include screw, easy to open the battery case and replace the new batteries. The 10 led lights will use Double Time than 20 led, while they have the Same Effect. A very Good Deal. Universal SizeThe cork has the most universal size, which is suitable for various bottles, such as glass bottles ,beer bottles ,soda bottles, great for creating the romantic atmosphere. Most Popular multi color, 10 Super Bright Led Bulbs on a 40 Inches Long and Thin Copper Wire. Easily OperateOperated by 3 LR44 batteries (Batteries already Installed) and don't need to screwdriver to open the battery case, Don't Need To Go To Shop To Buy Batteries and Screwdriver. Easy to use, just take out the insulation and switch the button to turn on/off the light and Enjoy these Amazing Fairy Lights.