Road Runner Premium Snow & Ice Melter, 12 Lb Jug Road Runner Premium Snow & Ice Melter 12 Lb Jug is an advanced ice melting formula with a corrosion inhibitor Granules are encapsulated with liquid magnesium making the ice melt safe to use on driveways, sidewalks, steps, patios, walkways and pavers when applied as directed. Economical, effective, and requires fewer applications than rock salt Highly effective colorless and odorless deicer & preventer in temperatures up to -10 degrees Fahrenheit Provides very low negative impact on landscape features, yet also providing the strength in performance to keep areas clear for safe travel.