This 100% natural fly repellent contains no harmful chemicals, toxins or poisons such as DEET or Pyrethrum. Spray on all surfaces like countertops, door frames and window frames to repel flies. When dining outdoors, spray on tables or tablecloth to repel flies for at least 2 to 3 hours, safe on skin, safe on animals and helps repel bees and ants. Will not kill flies or bees, just repels them. pH 5.8