Vastlan specialty Herbicide provides a solid foundation for your brush control program, and offers the flexibility to be utilized in a wide array of other applications. Active Ingredients: Triclopyr 54.72%Herbicide Mode of Action: 4EPA Signal Word: WARNING / AVISOApplication Rate Range: (see label) Container Size(s): 1 Qt., 1 Gal., 2.5 Gal., 30 Gal.