Preen, 18 LB, 5,000 SQFT Coverage, Lawn Weed Control Plus Crabgrass Preventer, Season Long Extended Control, Kills 200 Tough Weeds, Prevents Crabgrass & Kills Over 200 Lawn Weeds, Including Dandelion, Chickweed, Thistle & Clover, Provides Up To 5 Months Of Weed Control, Controls New Weeds For 3 Months, Bag.