Abstract: An emergency signalling device is provided. The emergency signalling device includes a cylindrical canister pressurized with a quantity of a lighter than air gas. A valve is provided on the top of the canister for sealing the gas. An inflatable balloon is sealed to the top covering the valve. A cord is attached on one end to the canister and wrapped around the canister in a plurality of layers of cord, the combined canister and wrapped cord having a first diameter. A waxy substance secures the cord to the canister and each layer of the cord to adjacent layers of the cord. A loop forms a closed circle on the other end of the cord, the loop having a second diameter greater that the first diameter. In a specific embodiment the valve on the top for sealing the gas includes scoring on the top of the canister.