Don't wait for bad weather to arrive, be prepared and ready to go with this fantastic De-Icing Rock Salt. This high-purity salt will easily melt lingering ice or snow fast. This de-icer is made from pure white de-icing salt which is 99.9% pure sodium chloride. It's Lightweight, convenient and easy to use effectively at temperatures of -7. This handy salt leaves no muddy residue, making it perfect for cleaning drives, paths and more.