Ice Melt contains calcium and magnesium chloride pellets that work fast to generate heat. It melts ice upon impact down to negative 15 degrees Fahrenheit and is safe on streets driveways sidewalks steps and anywhere else as long as it s used correctly. This premium ice melt is an ideal alternative to rock salt. It is colorless odorless and does not track. Assembly Required: No. Country of Origin: United States. Post-consumer-waste%: 0%. Recycled: No. Recycled Content: 0%. Color: Red. Application/Usage: Road. Composition: Magnesium Chloride .Composition: Calcium Chloride. Composition: Sodium Chloride. Melter Type: Pellet. Melter Weight: 50 lb.