The Thermacell Patio Shield Riverbed Mosquito Repeller is a scent and flame-free solution for keeping mosquitoes away from your outdoor space. This 15-foot dispenser is designed to repel/deter mosquitoes for up to 12 hours, making it ideal for use in outdoor environments like camping, hiking, and picnics. Made of plastic and metal, this patio shield mosquito repeller is odorless and features a sleek design that will blend seamlessly into your outdoor setting. Easy to use and effective, this Thermacell product is a must-have for any outdoor adventure.