"Bare Ground SlipGrip Double Punch Traction Granules are infused with liquid calcium chloride to melt tough ice and snow while providing grip and traction. Granules crush underfoot for less cleanup at the end of a winter season. U.S.A. Material Type Pumice stone, Temperature Range F Effective to -25, Application Handheld spreader, Product Consistency Granular, Color Green, Compares To Salt granules, Coverage 150 sq. ft., Capacity 15 lbs., Environmentally Friendly Yes. One 8-oz. cup of SlipGrip Double Punch traction granules covers 150 sq. feet Highly visible green color"