[Airtag Holder] Integrated dog collar to protect your dog's safety.All-in-one dog collars doubles your dog's security. Everyday waterproof and dustproof AirTag holder fits perfectly with AirTag, so you can find your pet wherever it goes [Reflective strips for Night Safety] Keep your dog safe during night. Reflective strip on the collar increases your dog's visibility at night or in low light, keeping your dog safe [Adjustable Size] Adjustable length for all sizes of collars, for fit all kinds of dogs' necks. We also offer two sizes to choose from, please measure the length of your dog's neck before purchasing to choose a proper collar. [Comfortable Material for Dogs] Collar webbing feature high quality nylon material and soft neoprene padding for long-lasting use and enhanced wearing comfort. Soft, breathable and durable enough to withstand the wear and tear of daily activities, without irritating your dog's neck [Our Services] If you have any problem, please contact us. We will respond within 24 hours