Your pup will be the talk of the dog park with our French Blue Stripe collar. All of our collars feature durable fabric, your choice of luxe gold or rose 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.