This says size large but definitely would not fit a very large dog. Most likely more compatable for small to medium dogs.

Introducing our Blue Pet Harness Dog Chest Harness, perfect for dogs of various sizes from small to large. Made with high-quality polyester material and equipped with adjustable features, this soft/vest harness is suitable for both male and female dogs, regardless of breed.

The harness comes in a stylish blue that is sure to make your furry friend stand out on walks. With its durable construction and comfortable fit, you can be assured that your dog will have a pleasant walking experience.  Get your hands on this must-have accessory for your beloved pet today!