SOFT AND BREATHABLE MATERIAL: Made from 95% cotton and 5% spandex, it fits snugly but not at all. It can effectively cover and protect wounds and prevent pets from licking wounds, hot spots and skin diseases. Recovery Kit Sizes: Available in eight sizes to accommodate options for dogs of all sizes. It is suitable for both male and female animals. (Please refer to the size chart for chest length, make sure you choose the right size) Multi-functional rehabilitation clothing: Keeps your pet warm after surgery and protects your dog from other pets and children during recovery. Size M