Roundup 4 Gallon Weed & Grass Killer Plus Pump 'N Go Sprayer Use in and around vegetable gardens, flower beds, tree rings, patios, walkways, & more Up to 5 minutes of continuous spray Rain proof in 30 minutes-for control that won't wash away Bonus Pack up to 4 Gallons. Simply pump and go. CAUTION: Keep out of reach of children