Upgrated Dog Coats with Harness- 1.We improved the size chart. Please first loosely measure your pets Chest and Back Length,then choose size according to the size chart,each clothes's size chart is different. 2. We improved the built in harness,double stitching make the harness more sturdy. 3.We Improved the Zipper,it is more smooth and durable. The dog coats with Harness is made of waterproof frabic and cotton lining.warm and windproof.The high quality zipper is easy to use and convenient to wear and take off. Designed with an adjustable harness, it is multifunctional and practical. The reflective design can ensure safety for night walking. The D shaped ring is thick and durable, which can bear more strong pull strength.