80 LB, Sakrete, Concrete Mix, A Quality Mixture Of Sand, Gravel & Portland Cement Which Exceeds 4,000 PSI When Used As Directed, For Repair & Building Jobs Where Concrete Thickness Exceeds 2", Ideal For Pouring Footings, Setting Posts, Poles, & Building Walkways, Driveways, Patios & Steps, Exceeds ASTM Spec C387, UPC: 7 64661 10280 9.