Roundup® QuikPro is a post-emergent, systemic herbicide with no residual soil activity, designed to control a wide range of annual and perennial weeds, woody brush, and trees. This Roundup weed killer contains 73% Glyphosate along with Diquat and a surfactant, becoming rainfast within one hour. The active ingredients are absorbed through the leaves and move to the roots, killing the plant in 1-2 days. Each box contains five 1.5-ounce packs, each designed to be mixed with 1 gallon of water. Roundup® QuikPRO™ Herbicide Features: Active Ingredient: Glyphosate Rate: Varies depending on application method. See label for complete information REI: 4 Hrs Controls: Annual, perennial grassy and broadleaf weeds, woody brush and trees. Includes five 1.5 oz. dry concentrate packs Covers up to 1,000 sq. ft. Ideal for non-crop areas Additional Information:QuikPRO Herbicide MSDS (PDF)QuickPRO Herbicide Label (PDF)