Bare Ground Dragon’s Breath Windshield Defrosting Spray is an easy-to-use defrosting spray that uses a non-flammable nitrogen propellant and potassium formate deicing liquid. It can be sprayed on the windshield, runways, frozen locks, and all surfaces that need to be defrosted. Bare Ground Dragon’s Breath Windshield Defrosting Spray is formulated to be biodegradable, environmentally friendly, and gentle on the surface applied. It conveniently saves time and energy to just spray it and let the ice melt away. Not only is your car's energy is conserved but also the environment. Available in a 16-ounce spray can.