Industrial Puppy Service Dog In Training Vest With Reflective Strap & Removable Patches | Heavy Duty Nylon Straps and Handle | 7 Sizes, 5 Colors From Made from the highest quality material available. Stands up to big dogs and rambunctious puppies. One harness works for every situation. Two removable patches signal when your dog is on or off duty. The only vest with clips to mount optional backpacks (select sizes only) for total versatility. Sturdy top-mounted handle allows you to protect / manage your animal during emergency situations. Reflective straps, patches, and trim give you more visibility on night walks and training sessions.