Finally a fresh scent candle that really works to repel mosquitoes. BioCare® Naturals Mosquito Candles 15oz are perfect for patios and decks. The candles are made with essential oils and provide a natural mosquito repellent. Unique, safe formula. The candles are made of soy. Effective on a wide range of mosquitoes. This large 15oz candle will liquify and burn for 60 + hours.