DuraZone weed and grass killer kills all types of existing weeds and grasses. Prevents new weeds and grasses for up to 6 months. For use on driveways, sidewalks, patios, along fences, walkways, and mulched areas. Rain and water proof 30 minutes after application. Safe for people and pets after product is completely dry. Active ingredients: Indaziflam, Diquat dibromide, Glyphosate Isopropylamine salt.