Comprehensive Dog Fence Bundle: Keep your dog safe and secure with the PetSafe Invisible Fence GPS Dog Fence Bundle including training flags and treat bag, designed for medium and large dogs Reliable Invisible Fence: Keep your dog safe with a GPS dog fence that creates up to 20 customizable virtual boundaries, ideal for medium and large dogs with a comfortable fit Smart Tracking With Lost Dog Mode: Monitor your pet in real-time with a pets tracking collar featuring 72-hour long lasting battery and app-controlled updates Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families