OFUN Citronella candles are made with natural materials, including pure soy wax and citronella oil. They have lead-free cotton wicks to prevent pollution caused by black smoke. These candles can be used indoors or outdoors, making them versatile for various occasions. With a portable travel set containing 9 small bucket candles, you can conveniently bring them wherever you go. Each candle has a long-lasting fragrance, burning for 10-15 hours, with a total set burn time of 90-120 hours. The reusable candle tin design allows you to repurpose them as home containers for small items.