Safe Step Extreme 7300 Ice Melter is designed to instantly melt away snow and ice and prevent it from forming on your driveway, sidewalk, steps, and personal property. Extreme 7300 Ice Melter contains Calcium Chloride, which is quicker and more effective than salt at melting snow and ice. Works in temperatures as low as -25 degrees Fahrenheit! Bag contains 20 lbs. of Safe Step Extreme 7300 Ice Melter.