Country Brook Design Martingale Collar & Leash - Irish Pride Collection Collar fits 18in-26in neck-Please be sure to measure your dogs neck for correct size. Measure around your dogs neck (with string or tape measure) snugly where you want the collar to lay. If you have any questions or problems with sizes please give us a call before ordering. Made in the U.S.A. Made of soft, flexible polyester Made with top quality hardware Collar is size of your choice and leash is 6 feet long