Roundup Max Control 365 Concentrate, 32-Ounce (Weed Killer Plus Weed Preventer) (Not Sold in NY) Kills and prevents weeds for up to 12 months by creating an invisible barrier in the soil Kills weeds to the root. Guaranteed!* *Consumer Guarantee: If for any reason you are not satisfied after using this product, simply send us original proof of purchase and we will refund the purchase price. Use on driveways, patios, sidewalks and gravel areas Rainproof in 30 minutes Visible results in 12 hours Not for sale in NY and select territories Not sold in NY