Neudorff Super Strength Cat Repellent - 500g Display Unit Of 60Contains 0. 5 % garlic oil (granulated) Contains natural materials to keep cats away Made from pure plant based oils encapsulated in clay based mineral granules The long lasting odour effectively drives cats away from gardens, patios and areas where birds frequent Covers the territorial odours of other cats and makes the animals avoid the territory to be protected Period of protection: approx. 3 4 weeks depending on the weather