This is a Dr. Peto Air Harness. I'm selling it because the size didn't fit my dog. For reference, my dog (a Toy Poodle) has the following measurements: Neck: 20cm, Chest: 35cm. The chest fit perfectly when the adjuster was tightened all the way, but the neck was still loose even when tightened. Since my dog tends to pull, it floated up during walks, so I gave up on it. I think this harness would be good for dogs whose size fits. My dog has a slender neck. Compared to the Anifull Anisapo Harest cocochi, which I usually use, this product is definitely softer in material. (Perhaps because it's soft, it floated up when pulled.) There are hooks for the leash on both the neck and chest. I tried both to see how to prevent it from floating up, so there are scratches from the leash hook hardware on both, as you can see in the photos. Color: Pink Size: XS Retail Price: ¥6,850 Condition: Used for one walk According to the official website, XS is: Neck: 22~30cm Chest: 28~38cm Estimated Weight: 1.5~3.5kg I will pack it with Mercari materials and ship it.