Material: no velvet: polyester fabric, super soft, suitable for in the spring and at summer (plus velvet: a layer of coral fleece lining, a layer of chemical fiber fabric for autumn and winter) perfect clothes for dogs Function: easy to wear put and to remove, machine washable, stylish, soft, comfortable and easy to wash. clean. Features: The chest is specially designed to make your pet more comfortable. comfortable walking and running. Whether you are walking your pet or taking it to the party, this is the right clothes for your baby. Note: Please measure your dog before placing the order, pay special attention to the bust (if the size is between 2 sizes, or if your dog has a strong physique, please choose a larger size). If you do not understand, you can contact us, we will try to solve it for you.