Roundup ProMax is a systemic postemergence glyphosate herbicide that provides broad-spectrum control of many annual and perennial weeds, woody brush and trees. This new formulation is the most concentrated Roundup Pro ever, giving it a higher concentration of active ingredients in every gallon. A unique surfactant that allows penetration of leaf surfaces faster than other glyphosate herbicide products is added, giving it a 30-minute rainfast warranty. Active ingredient is 48.7% glyphosate. Mixing rates vary depending on application. A mixture of 2 oz. per gallon of water can be used for most applications. Includes a convenient measuring cup. Refer to the actual product label for specific rates, instructions and cautions. 1.67-gal. container. USA made.