Pet Carriers Truelove Pet No Pull Harness Upgrade Version This is the Stylish, Safe, and Durable Dog Explosion-proof Harness Vest you have been waiting for! Reflective/Nylon/Adjustable Product size 5 sizes-XS/S/M/L/XL Please measure your dog's chest circumference at the same location as the line shown in picture. Noted:the size in the chart is the size of dog. Due todifferent measurement methods,size may exist in 2 -3 cm error. Upgrade Features 1.The inner material is breathable air mesh, which is soft and comfortable,Truelove LED lights can be hung on the back to ensure safe travel at night. 2.High density nylon webbing with 3M reflective improve visibility at night. 3.Duraflex buckle on both side with large loading capacity which greatly improves tensile strength. 4.Light weight Aviation aluminum fittings on neck strap,a new way to put on and take off,which is more convenient in use. Product Details Material: High density nylon webbing with 3M reflective Duraflex buckle Light weight Aviation aluminum ERGONOMIC DESIGN 1.Ensures Ease of Use putting on and taking off harness. Comfortable and lightweight mesh lining with soft sponge padding in chest and belly. Adjustable straps allow a custom fit for your pooch. 2.This harness eliminates pressure from your dog's neck, preventing possible neck, spine, and windpipe injuries.Even if your dog is not a puller, he or she could be injured wearing a collar if they make a quick move to chase a squirrel, dog, or person. From a training perspective, dog harnesses are useful for teaching your dog not to pull as the pressure from a harness is more evenly distributed around your dog's body. EASY on & off 1.Easy to fit, durable, and comfortable for your dog. 2.Light weight Aviation aluminum D-ring on dog's back and webbing with Light weight Aviation aluminum O-ring on dog's chest.light weight Aviation aluminum fitting on neck-strap.