Effective Mosquito RepellentNatural mosquito repellent coil uses a combination of plant essential oils include citronella oil, lemongrass oil, peppermint oil and rosemary oil. Deet-Free, it is friendly to human, pets and the environment.Smoke emitted by outdoor mosquito repellent coils will deter buzzing mosquitoes and other bugs itchy bites, while leaving a fresh plant scent. Keep you and your family free from buzzing all summer long Long-Lasting Defense Repellent coil is bamboo charcoal, which properties are easy to ignite,safer and long-lasting. When burning, there are only micro smoke particles and no unsightly black smoke soot. Each coil burns for up to 5-7hours,providing extended mosquito protection for patios, porches, and outdoor gatherings. Easy to Use Simply light the coil, place it in the included metal stand, and enjoy your surroundings with fewer mosquitoes. Optimal Coverage Place one coil every 10 feet for maximum effectiveness in open spaces like pavilions, gazebos, and decks. Use on Patios, Porches, Shelter-Hales, Open-Air Seating In The Restaurant,Golf Course,Resort Pool Area,Mosquito-Intensive Areas In The Wild,Camping & Hiking. Value Pack: Whether you're hosting a BBQ, enjoying your patio, or any other activity,mosquito repeller coil is the good choice.Value pack includes 20 mosquito repellent coils, ensuring use for multiple outdoor occasions.