Width: 12-18 are 5/8" wide, 20-22 are 3/4" wide, 24-26 are 1" wide at the closure. ***To ensure proper collar size measure the dogs neck and add 2 inches for collar size. For example if your dog's neck measures 14" you should purchase a 16" collar.*** Constructed of Environmentally Friendly American leather Made in the USA Clean with leather cleaner and conditioner, no oiling necessary to retain supple nature of the leather Rolled leather with flat leather at buckle Tory Rolled Leather dog collar is a classic and elegant collar that features solid brass hardware and will not rub or chafe, these collars are especially good for short haired dogs. Made from the highest quality American leather, Tory collars are constructed with Old World American Craftsmanship with distinguishing appearance, strength and durability in mind. ******To ensure proper collar size measure the dogs neck and add 2 inches for collar size. For example if your dog's neck measures 14" you should purchase a 16" collar.***