Elevate your furry friend's style with the Bar H brand Leather Dog Collar, a flawless accessory. Crafted from double layered premium American vegetable-tanned cowhide leather, each collar is meticulously hand-tooled, hand-carved, and hand-finished for a soft, comfortable, and durable finish. This collar is the ideal choice for any pet, combining both fashion and functionality. Has rust-free solid metal hardware. The measurement is from the end of the leather on the buckle side to the middle hole on the other side. Refer to the diagram attached. It has a two inches margin on both sides. So for example an 11 inch collar will have a size range of 9 inches to 13 inches. Please measure your dog neck for appropriate sizing. X-Small (11"): Adjustable from 9'' to 13'' with a width of 1". Small (15"): Adjustable from 13'' to 17'' with a width of 1". Medium (19"): Adjustable from 17'' to 21'' with a width of 1.5". Large (23"): Adjustable from 21'' to 25'' with a width of 1.5"."