The green solution to ice melt, this 50lb bag is enhanced with CMA (calcium magnesium acetate). It is less harmful to vegetation (reduces damage to grass, trees and shrubs and safer for children and pets. It forms a protective coating on surface to guard against concrete, wood and corrosion damage and designed to reduce tracking and residue problems when used correctly. When spread before the snow falls, snow and ice does not stick. Saves time on shovelling! No protective clothing necessary.