Active Ingredient: Phenol Open one bottle of Finis Snake Repellent and hang it inside the room or tie it to the bed's legs.Additionally, open four to five bottles of Finis Snake Repellent and half-bury them in the ground at the four corners of the room or around the walls. Finis Snake Repellent will keep your home safe from snakes. Precautions: Highly dangerous, exercise extreme caution when using.