Create a custom-shaped fence to keep your persistent pup safe. Our Stubborn Dog In-Ground Fence™ allows you to create a fence tailored specifically to your yard’s unique shape and size. Create a custom-shaped fence to keep your persistent pup safe. Our Stubborn Dog In-Ground Fence™ allows you to create a fence tailored specifically to your yard’s unique shape and size. With this fence you’ll get 500 ft of wire so you can fence in a 1/3-acre yard. If your yard is bigger, just purchase more wire to expand up to 25 acres for your best friend. You will also get 1 Stubborn Dog In-Ground Fence™ Receiver Collar which has a tone plus vibration mode and 4 levels of safe, static correction designed for the most determined dogs. You can adjust the correction based on how your dog responds during training. The tone plus vibration mode makes this collar a great choice for those furry friends who have a little trouble hearing. Use this mode to teach them their new play area and keep them safe inside their yard. Installing your new in-ground fence is a DIY weekend project. With a little training, your dog will learn his new play area in just 2 weeks! If you have more than 1 pet at home, purchase additional receiver collars so all of your pets can safely play in the yard together. Your pet deserves the best. Trust PetSafe® to keep your pet healthy, safe and happy.