Description-Xs-xl is suitable for small dogs, 2xl-4xl is suitable for medium and large dogs. The bust of 2xl is 64cm. Please refer to the size chart before buying, measure the 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 to our customers. Easy to wear-This dog jacket is made of high-quality resin with a large zipper on the back, which is not easy to scratch or wear. The large zipper is also easy to put on and take off. Convenient and changeable-the back strap design is reflective and adjustable, and can be connected to various dog leashes. There is no need to purchase additional chest straps. You can use them together as a set. Waterproof-The dog jacket is made of waterproof fabric, which has good abrasion resistance and is suitable for rainy days. The inside is made of composite fleece fabric, which keeps warm and comfortable, and because of the exquisite craftsmanship and moderate thickness, your pet will not feel heavy. Windproof-The retractable high tie can effectively prevent wind. The elastic belt design on the abdomen fits the body better to keep warm. The reflective strip design on the back effectively guarantees the safety of dogs walking at night.Description-Xs-xl is suitable for small dogs, 2xl-4xl is suitable for medium and large dogs. The bust of 2xl is 64cm. Please refer to the size chart before buying, measure the 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 to our customers. Easy to wear-This dog jacket is made of high-quality resin with a large zipper on the back, which is not easy to scratch or wear. The large zipper is also easy to put on and take off. Convenient and changeable-the back strap design is reflective and adjustable, and can be connected to various dog leashes. There is no need to purchase additional chest straps. You can use them together as a set. Waterproof-The dog jacket is made of waterproof fabric, which has good abrasion resistance and is suitable for rainy days. The inside is made of composite fleece fabric, which keeps warm and comfortable, and because of the exquisite craftsmanship and moderate thickness, your pet will not feel heavy. Windproof-The retractable high tie can effectively prevent wind. The elastic belt design on the abdomen fits the body better to keep warm. The reflective strip design on the back effectively guarantees the safety of dogs walking at night.