Warm material: the trendy dog coat is made of thick fleece material, which is soft and comfortable and has strong heat retention. This dog sweater has a turtleneck design to make your dog feel as comfortable as possible and stay warm in cool weather, whether indoors or walking outdoors. Unique design: this warm dog coat reinforces the edges, which significantly increases the durability of these clothes while effectively preventing very active dogs from getting free. And the dog costume features a high belly opening and a back opening to give the dog comfortable potty breaks. Easy to put on and take off: This jumper fleece dog outfit is elastic enough and has a one-piece design, whether it is a large dog or a small dog, it is very convenient when you help your fur friend put on and take off. When there is an emergency, this hassle-free little dog hatches on and off effortlessly. Wear three seasons: the dog coat is perfect for cool and cold weather and can be worn directly as a coat in spring and autumn. As this garment is very light, it can be worn as underwear under a thick jacket on really cold days. It is very convenient to wear it for three seasons. Many sizes: to adapt to different dog body types, we have developed 4 sizes (S-XL) for small, medium and large dogs.