Grass/weed killer readytouse with sprayer size 1.33 gallons Rainfast in 2 hours. Fast acting formula. Oneshot kills weeds and grasses, roots and all. Premixed, premeasured. Use in and around fences, trees, driveways, flower beds, walkways, shrubs and vegetables. Nonselective, systemic weed and grass control treatment for undesirable vegetation. Contains 0.96% ISO Propylamine salt of glyphosate.