The triple silicone material helps resist yellowing and stretching for lasting use, while an adjustable strap ensures effortless portability. Featuring a form-fitting and lightweight design, this SaharaCase silicone collar provides a snug, secure fit.Compatible with Apple AirTag - Keep your dog safe using the Apple AirTag technology.Triple silicone material - Offers reduced stretching and yellowing and guards against scratches and dirt.Adjustable strap - It can be easily adjusted from 8.2" to 15.5" in diameter.Slim form-fitting design - Enhances portability and simplifies installation.*Does not include Apple AirTag.*