Alfie Pet by Petoga Couture - Kasey LED Flashing Pet Safety Collar Harness and Leash Set with Microfiber Fast-Dry Towel and Waste Bag Dispenser Helps incoming cars and traffic see both you and your pet in the dark. Alfie Pet Kasey Set includes LED flashing safety collar, harness and leash, microfiber Fast-Dry towel and matching waste bag dispenser. Also comes with one set (4 pcs) of back-up battery for replacement. Collar best fits pets with neck girth 12 - 15. Harness best fits pets with breast girth 12 - 14. Leash is 49 in length. Collar, harness and leash are all 0.75" in width for small size set. Power button controls four modes of flashing: slow blinking, fast blinking, sustained lighting, and off. Sizing for each dog is unique. Similar to our clothing and accessory, medium size from one designer is not the same for another. For example our 9-pound yorkie model usually fits either one of three sizes (i.e. XS, S, M) depending on the designer. We highly recommend you measure your pet precisely with a flexible tape measure to ensure the best fit. Contact us if you have question. We are happy to help. Kasey LED collar, harness and leash are powered by individual LED bulbs, provide better visibility in greater distance. Its sturdy nylon fabric provide maximum durability and protection from rain and water. Alfie Microfiber Fast-Dry Pet Drying Towel is made of a specially designed, ultra-tightly woven material, known for its excellent absorption and ultra-fast drying speed. Measures 28 x 18 - hand towel size. Absorb up to eight times its own weight in water, quickly allowing you to dry your pet much faster than traditional cotton towels.