Features Air-mesh inside, lightweight and breathable fabric, your dog won't feel stuck in it when running or jumping. Metal D-rings, conveniently connect to the leash or handle, provides better control. Easy wearing, this dog harness is very easy to wear with velcro and quick-release buckle. The harness is tailored for your pet, ideal for daily walking, running, jogging, hiking, etc 3 different styles of pet vests Normal Dog Harness Size Small: Neck girth 17-20in, chest girth: 20-24in; Leash length 5ft Size Medium: Neck girth 19-22in, chest girth: 22-25in; Leash length 5ft Size Large: Neck girth 24-29in, chest girth: 27-34in; Leash length 6ft Size XL: Neck girth 26-31in, chest girth: 31-39in; Leash length 5ft Breathable Mesh Dog Harness Size Small: Neck girth 17-20in, chest girth: 20-24in; Leash length 5ft Size Medium: Neck girth 19-22in, chest girth: 22-25in; Leash length 5ft Size Large: Neck girth 24-29in, chest girth: 27-34in; Leash length 6ft Size XL: Neck girth 26-31in, chest girth: 31-39in; Leash length 5ft Dog Reflective Harness Size Small: Neck girth 15-18in, chest girth: 17-22in; Size Medium: Neck girth 17-21in, chest girth: 20-25in; Size Large: Neck girth 21-27in, chest girth: 24-33in; Size XL: Neck girth 23-29in, chest girth: 28-36in; Read more Dog Normal Vest Harness and Leash Reflective Breathable Mesh Vest and Leash Reflective Dog Reflective Harness and Bungee Durable Leash Read more The dog car harness wraps around dog’s body and neck which could be instead of a collar. The straps tighten up securely so dogs can not roam the car to prevent dogs from hopping into the front seat, but they don't pull against them. A comfortable sponge filled anti pull effect dog harness for your best friend: no stress on dog's neck, no choke, an ideal solution for dogs that pull with sponge filling comfortable and luxurious, perfectly designed for easy walking, jogging, running, hiking, or even training. Pulling pressure is evenly distributed to the body to prevent pulling and choking. The dog vest harness has an adjustable chest strap with a snap-on buckle, moves its body parts freely, can customized fits for your dogs' growth do not need to always change it.