Nature's Miracle® Just for Cats Pet Block Cat Repellent Spray is specially designed to keep your cat away from off-limits areas of your home and yard. Our long-lasting, concentrated formula contains naturally repellent scents that are inherently disliked and avoided by your cat. This scent aversion encourages your cat to stay away from the treated area and works for both indoor and outdoor training. Nature’s Miracle Just for Cats Pet Block Cat Repellent Spray will not harm cats or people when used as directed. Every pet learns differently. For this reason, it is important to consider your pet’s learning style when choosing a training method. Your pet may react differently to Nature’s Miracle Training Aids. For the best possible results, follow the tips and directions in the tabs below.