This BUILT Nightsafe Dog Collar can help keep your dog safe. Made with Nightsafe properietary reflective webbing, you and your dog will be highly visible from a distance at night and early in the morning. No need for batteries or chargers. Designed with your dog's comfort in mind, this sturdy and durable dog collar is available in three sizes and is fully adjustable with convenient quick-release buckle. Includes strong metal ring which pairs perfectly with our dog leash. Additional sturdy ring to attach dog identification tag. This user friendly dog collar does everything it's supposed to do and will last a long time. It offers excellent visibility, provides safety, and is comfortable for your dog.