The Chicago Flag Dog Collar from Sophisticated Pup is an adjustable collar with the Chicago Flag pattern displayed along the length of this soft, comfortable dog collar. The exterior of the collar is made of a nylon webbing, the inside of the collar is made of a matching light blue polyester, making for a soft, comfortable fit. Available in three sizes, Small, Medium and Large, our collars will fit most dogs comfortably. There is an adjustable easy snap on/off buckle and D-ring to hook any regular leash onto the collar. Matching leashes and harnesses are available for this Chicago Flag Dog Collar. This is a brand new style of Chicago Flag Dog Collar for us. The collars are machine washable. *Please see the size chart in the photos to get the perfect fit for your dog.