Easy tiger, it’s time to put an end to unwanted spraying and scratching. ThunderEase helps your cat feel calm and comfortable by mimicking natural facial pheromones that felines use to mark their space. Tested to be over 90% effective for reducing anxiety symptoms, your cat will feel safer and less-stressed, totally drug-free. Spray on anything your cat is marking or on the inside of your car carrier. Perfect for trips to the vet!.