[DESIGNED FOR APPLE AIRTAG] AirTag collar can keep AirTag from falling or dangling. Compared with other Air Tag holder, our integrated AirTag dog collar is more cost-effective. No need to buy additional AirTag holder for dog collar. Our Apple Air Tag collar is exactly what you need for tracking your dog safely and easily! [VARIOUS SIZE] Adjustable AirTag collar has 4 sizes for all Small, Medium and Large dogs. (S=12-14'', M=14-17.5'', L=16.5-20'',XL=19-21.5'') Measure your dog's neck before placing an order to ensure your dog feels most comfortable. [360 REFLECTION] This AirTag dog collar features reflective stitching and fully reflective edges. Easier to find your dog under darkness and low light conditions, safer for you and your dog when walking, running or jogging. Apple AirTag dog collar will escort you and your dog's night activities! [PREMIUM MATERIALS] Our Air Tag dog collar is made of 1000D nylon. Lined with 9mm neoprene that will protect your dog's neck from irritation when being active. Also, microfiber leather AirTag case is extremely durable to keep your AirTag staying steady and safe. gps dog collar is exactly what your need!