The effectiveness of Liquid Fence Dog and Cat Repellent will last a week or more and continue to act as a training deterrent for pets and strays as long as it is present. Initially, to train and break a pattern of habitual behavior, Liquid Fence Dog and Cat Repellent may need to be applied more frequently. As the animal's behavior is changed, the application frequency can be reduced. Repel dogs and cats from lawns, trees, shrubs, flower beds, garden areas and trash containers. All natural, made with natural plant oils. Ready to use. Easy to use. Earth and family friendly. Effective training aid. Won't harm plants or animals. Capacity: 1 Quart.