Dog Helios ® Freestyle 3-in-1 Explorer Sporty Convertible Waterproof Dog Backpack HarnessThe Dog Helios Freestyle 3 in 1 Explorer Sporty Convertible Waterproof Dog Backpack Harness is a Backpack that Doubles as a Chest Harness with an Included dog Leash. This Only of its kind 3 in 1 Backpack, Harness and Leash features a Backpack with a Chest Compressible Harness that completely ejects from the Backpack that enables the user to remove the backpack as the user wishes. The Dog Backpack Harness features a special DUPONT Outer shell that is