1. Solar power: 100% solar power, no battery required. On in the dark and off during the day. (Turn the switch to "on" before charging)2. Flexible: Bendable and flexible, easy to bend and shape, you can decorate empty bottles, potted plants or anything you like. And the cord light is waterproof, so if you want to put some water in the bottle to be safe (the cork is not waterproof).3.Easy to use: The solar light is easy to install to the top of different types of wine bottles, just slide it into the bottle top, the cork part goes straight in, you don't need to have to drill holes in the bottle. Each cork has an ON/OFF switch.4. Wide application: suitable for modern wedding, kids room, bathroom, dining table, party decoration, cafe, bar, display, birthday, holiday, festival, anniversary, patio, camping and decoration.5. Gifting: All in all, they are an option for anywhere you want, whether indoors or outdoors. Gifts for kids, lovers, family and friends