The box was opened once to check the contents. I am selling this because I no longer need it as I started keeping my garbage inside the house. This is a garbage can fly repellent that uses natural ingredients to prevent insects and eliminate odors. - Application: For garbage cans - Effects: Reduces the number of insects, prevents insect entry, eliminates odors - Ingredients: Naturally derived - Quantity: 1 - Usage period: Approximately 1 month Thank you for looking.