80 LB, Maximizer Concrete Mix, Designed Under A Proprietary Formula That Yields More Coverage Than Standard Cement Mixes, Specially Manufactured Aggregate Material & Higher Volume Of Cement Yields A Mix That Gives You 67% More Coverage, More Cement Also Means A More Uniform & Easier To Mix Blend Than Other Concrete Mixes, Plus, Maximizer Gives You An Outstanding Strength Of 5500 PSI, Making It The Strongest All Purpose Concrete Mix You Can Buy, Simply Add Water As Directed & Mix Thoroughly, Packaged In Paper Bags, UPC: 0 94138 05050 1.