Your pup will be the talk of the dog park with our Hot Pink collar. All of our collars feature durable fabric, luxe gold hardware, and a strong nylon core. They clean easily in the washing machine. And, they're built to last. XSmall: Fits necks 7-11" (5/8" wide). Small: Fits necks 10-14" (5/8" wide). Medium: Fits necks 12-17" (1" wide). Large: Fits necks 16-27" (1" wide). Machine wash cold on delicate cycle or hand wash.