Return Policy Details March 30, 2021 21:06 Updated All information on the Halo Collar Return Policy can be found at this link. Related articles How accurate are Halo Fences compared to other “wired” fences? What is the battery lifetime of the Halo Collar? How to pick the right strap size for your dog How has Cesar Millan been involved in the design of the Halo system? I have a growing dog; What size Halo Collar should I get?