The DOFF Super Cat and Dog Repellent Granules are the easy and environmentally friendly way to repel cats and dogs from borders, vegetable gardens and pots. Containing natural aromatic plant oils, scatter the granules over the soil surface to stop cats and dogs "going". These Cat and Dog Repellent Granules work WITHOUT harming the cat / dog and are safe to use around plants, pets and children. Simply repeat the treatment every seven days or after heavy rainfall until the cats and dogs are deterred.