Lili Pouent uses premium quality cow leather to make this natural-looking and super comfortable V-shaped harness. The edges are glazed multiple times to make sure they are smooth and clear. Because the leather is so soft, it would never rub under the armpits or irritate the skin. Reversible Two‑Tone Harness: Experience the perfect blend of style and function with our first-ever harness featuring a ring and an identical design on both sides—making it truly reversible. Crafted from premium cow leather, each harness showcases a naturally distinctive pattern that becomes even more sophisticated over time, thanks to its subtle matte finish. We’ve meticulously finished and glazed the edges multiple times, ensuring a smooth feel both inside and out. The gilded metal hardware not only adds a pop of elegance but also complements the harness’s striking two-tone look. Built to last, this harness delivers top-notch durability alongside exceptional comfort. Choosing the Right Size: Measure your dog’s chest size. Select the corresponding harness size. Simply slip it on and pull back gently—this design allows the harness to self-adjust for a secure fit. Lightweight and gentle on the skin, our harness won’t irritate or tangle your dog’s fur. Please note that because we prioritize selecting the finest surface leather, the inner leather may vary slightly. Enjoy a luxurious, long-lasting piece that looks and feels better every time you use it. 🏷️Harness + 1 O-ring is a set. [O-ring: 3cm Outer diameter/ Inner diameter 2.2cm / Thickness 4mm] To wear it tight, wear it without the O-ring, by adding 1 ring you are getting extra 2cm.(Multiple pieces can be used depending on your dog's size. ) ⚠️Note on usage * Wear it without the O-ring if your fur baby isn't a calm walker, and use the O-ring indoors so you can use it safely. * If the O-ring spring becomes loose depending on the frequency of use, be sure to replace it with a new ring. (It is recommended to replace it once every six months if used daily) * For safety reasons, we use a thick ring. If the leash buckle is narrow, there's. a danger of it opening, so make sure to use a leash buckle big enough for the O-ring. * The O-ring enables you to adjust the length as shown below.