Elements is a Huck Salt product in 50 lb bags. Elements is a blend of sodium chloride (salt) and magnesium chloride to help melt and prevent re-freezing of ice. Elements has a green colorant that will help with even distribution of the ice melt. The green color also helps as a reminder to be careful when walking in the area. The salt and magnesium chloride blend is safer for concrete and the environment. Harvested and MADE IN NEVADA!