Roundup Max Control 365 Ready-to-Use Refill for Comfort Wand Sprayer, 1.25-Gallon (Weed Killer Plus Weed Preventer) (Not Sold in NY) Kills & prevents weeds for up to 12 months Rainproof in 30 minutes Visible results in 12 hours For use on driveways, patios, sidewalks and gravel areas Not for sale in NY