Note: Please measure your dog's chest circumference and weight before purchasing to choose the right size. 1----4 Size Dog Vest Harness Avilable: We provide different size harnesses for small dogs, medium dogs to large dogs to ensure your dog a comfortable experience. Note: Please measure your dogs neck girth& chest girth carefully and check our measuring guide before purchasing. There might be a slight difference. If your dog fits two sizes in the list, always choose the larger one. 2----Pet-friendly Dog Vest Harness No Pull: Our durable dog vest is made of Oxford with sturdy stitching, suitable for long-time use. Breathable mesh design keeps air circulation around your dogs body and protects your dogs skin during outdoor activities. Reflective straps guarantee you a safe and wonderful late-night walk. 3----Super Comfy Dog Walking Harness: The anti pull dog harness with soft breathable air mesh is gentle to keep your baby cool and comfortable during outdoor activities.Ideal for German Pointer, Husky, Golden Retriever, German Shepherd, French,British Bulldog, English,Rottie Puppy, Great Pyrenees, Dobermann, Belgian Malinois, Basset Hound, Greyhound, etc. Features Material: nylon, cotton Colours: blue, yellow, red, black Weight: S: 98g M: 107g L: 116g XL: 122g Size: S: Chest: 34-46cm Weight: 4-6kg M: Chest: 46-56cm Weight: 6-11kg L: Chest: 56-66cm Weight: 11-17.5kg XL: Chest: 62-72cm Weight: 17.5-24kg