1. Size - Before each purchase, please measure the length of the chest, neck and back of the dog. The length should be measured every time you purchase. Then carefully choose the size according to the size chart or consult us. 2. Dog coat with straps - The dog coat and dog straps are designed in 2 in 1. As a coat, it has a waterproof outer layer and a warm wool inner layer, which can keep your dog warm. As a kind of dog strap, it is more comfortable and safe than the dog vest strap. The thick coat can protect your pet from injury. Don't worry about your pet being tied down by harness. 3. Zip dog jacket - are you worried that your pet won't wear a coat? The zipper design is easy to wear and take off. The zipper design allows you to save a lot of time and make your pet comfortable. When you use the zipper gently, it can be used for a long time. 4. Dog's winter coat - If you buy this dog jacket, you are like buying a dog coat and a dog raincoat. The puppy's coat is waterproof. You can use it in rainy and snowy days without worrying about your pet getting wet. The inner layer of the coat is warm wool and cotton wool, enough to protect your pet from cold weather.