Roundup Extended Control Weed Grass Killer Plus Weed Preventer Dual-action formula kills to the root and pretreats weed prone areas. Rainproof in 30 minutes. Visible results in 24 hours. Kills weed and grass, then continues to work by preventing weeds from emerging for up to 4 months. Active Ingredients 18% Glyphosate, 0.30% Imazapic, 0.73% Diquat. Size 32 Oz., Concentrate or Ready To Use Concentrate, Product Form Liquid, Application Type Pourable, Safe For Edibles No, Safe For Pets No, Coverage Area 1600 Sq. Ft., For Use With Grass Weeds, Contains Glyphosate Yes, Pkg Qty 1, Package Type Bottle WARNING This product can expose you to chemicals which are known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov.