The iHorn Mini Hand Held Gas Horn is a compact and easy-to-carry device that offers a practical solution for various situations. This environmentally safe product uses 1.8oz 134a Gas, ensuring no CFCs are released. With its convenient size, it can be easily stored and taken anywhere. Whether you need to alert others in an emergency or make your presence known in a crowd, the iHorn Mini Hand Held Gas Horn is a reliable and efficient choice. Sold individually, this product guarantees peace of mind and safety without compromising the environment.