This silicone NAF Off Citronella Tag is made with citronella oil. The unique design enables the citronella oil to be contained in a special compartment of the tag making it highly durable, waterproof and convenient to use. Directions for use:The tag can be looped through the bridle, or plaited into the mane / tail as required.Precautions:For External Use Only. If leakage occurs, dispose of tag. Keep out of reach of young children. Horses are individuals, consider your horses reactions before using around the head.Active Ingredients:Citronella Oil.