1.[Apple Air Tag Design] There is an exclusive airtag box outside the , no need to buy an extra holder for the . This apple air tag collar will keep your dog from chewing on air tags or shaking. 2-in-1 comfortable and practical air tag holder . 2.[DURABLE/COMFORTABLE] Airtag holder is made of flexible TPU plastic, the material is waterproof and durable compared to leather Airtag holder. This air tag is made of high quality tough soft nylon that is soft enough to keep your dog's neck breathable and dry. Sturdy buckles and heavy-duty metal clips prevent accidental opening of the collar. 3.[Multiple Sizes] Air tag s are available in 2 sizes to fit all breeds of medium and large boys and girls dogs. The collars for each model are also adjustable in size. This apple air tag collar is perfect for you to take your pet for hiking, climbing, jogging, going to the park or just walking down the street, please measure your dog's neck size before ordering. 4.360 Reflective StripsThe air tag has 2 highly reflective strips on the edge to improve your dog's visibility in various low light conditions. This reflective collar will keep your boy girl dog safe on evening or early morning walks.