Tips - XS-XL is suitable for small dogs, 2XL-4XL is suitable for medium and large dogs. The bust is 2XL 64cm. Please read the size chart before purchasing, measure your dog's bust and add 2-4cm to choose the size. If you don't know, you can tell us your pet's Chest, Back and Neck size, we will help you and we are always responsible for our customers. Easy to wear - This dog coat adopted high-quality resin big zipper on the back, not easy to scratch and wear, and the big zipper is easy to put on and take off. Comfortable and versatile - The design of the strap on the back is reflective and adjustable, it can be attached to different dog leashes, You don't need to buy extra chest straps, you can use them together as a combined suit. Waterproof - The dog coat is made of waterproof material, good wear resistance, suitable for rainy days. The inner side is made of composite wool fabric, warm and comfortable, and because of the excellent workmanship and moderate thickness, pets will not feel heavy. Windproof - Shrinkable high collar tape can effectively block the wind. The elastic band on the abdomen is designed to fit better to keep the body warm. The design of the reflective tape on the back effectively ensures the safety of the dog walking at night.