"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. Temperature Range F Effective to -25, Application Handheld spreader, Material Type Pumice stone, Coverage 150 sq. ft., Environmentally Friendly Yes, Product Consistency Granular, Capacity 15 lbs., Color Green, Compares To Salt granules. One 8-oz. cup of SlipGrip Double Punch traction granules covers 150 sq. feet Highly visible green color"