Description Used For Making Concrete Repairs Where Rapid Setting Is Required. Repairs Broken Edges Of Concrete Steps And Curbs. Can Be Molded Or Sculpted Into Place. Sets In Approximately 10 Minutes. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov