Warm & Soft Dog Sweaters: Made of 100% polyester, breathable, soft, skin-friendly and warm. The dog sweaters for small dogs has better moisture absorption, breathability, and durability, which keeps your boys girls feeling comfortable and warm all winter long. With strong elasticity and super stretchy, it is easy to put on and take off. Suitable Size to Choose: These puppy sweaters have 5 sizes to choose from, from XS to XL, suitable for puppies, kittens, cats, small medium dogs. Various styles and colors. Please check the size chart by measuring chest, back length, and neck before purchasing.