[2018 Upgraded] Ultrasonic Pest Repellent Electronic Mice Repeller, Plug in for Bugs and Insects Mice Ant Mosquito Spider Rodent Roach Child and Pets Safe Control (6 Packs) &hellip; (white) Keeps mosquitos and biting flies away from your head, face and neck. Durable/disposable. Hat fits MOST. Made of weather-resistant nylon. Two adjustable drawstrings for custom fit.