Ace Label 40# Bag is formulated to melt ice faster and resist re-freezing, reducing the need for additional applications. Improved custom blend optimizes melting performance. Melts ice down to -10 degrees Fahrenheit/-23 degrees Celsius. Safer for Pets and vegetation, when applied as directed. Contains sodium chloride, MG-104 and Mag Chloride for better performance and environmental care. Safer to handle- Gentler on skin. Easier and faster sell-through. Improved custom-blended formula contains sodium chloride, magnesium chloride and MG-104.Safer to handle, doesn't require gloves or goggles.Melts ice and snow down to -10 degrees F/-23 degrees C.Safer on air-entrained cold weather concrete that is at least one year old.