Variety of Sizes The AinLenElf Dog Winter Coat is available in 5 sizes to ensure that it fits the different needs of small, medium, and large dogs. Whether it's a small dog or a large dog, users can easily find the right size to meet each dog's unique needs and personality. Superior waterproofing and warmth This dog coat provides extra warmth and comfort for your dog with a padded polar fleece lining and an adjustable high collar design for cold winter conditions. Reflective Safety Design The back of the dog jacket is equipped with reflective material and reflective strips to enhance your dog's visibility in low-light environments and at night, ensuring safety during outdoor activities. Whether it's an evening walk or a hike, the reflective design provides an extra layer of protection for owner and dog. Easy on/off and practical design The zipper on the back makes it easy to put on and off, and is equipped with a guard to protect your dog's fur and skin. Built-in harness design The dog vest is equipped with a built-in harness for easy attachment to the leash, eliminating the need to carry an extra collar. This design is perfect for winter outdoor activities such as walking, running or hiking, and is made of machine washable material for easy cleaning and maintenance.