Feature: 1. 1. Anti-Lost Collar: Insert the compatible for AirTag into the collar with a bracket to build a lightweight GPS device. You can track your pet through the compatible for Find My app on a compatible for iPhone (excluding the device). 2. 2. Compatible for AirTag Holder: Waterproof and shockproof, the silicone material prevents your device from being scratched. The sliding design keeps your pet away from the stand designed for small collars. 3. 3. Adjustable Collar Size: The collar length is adjustable, suitable for pet necks from 22 to 35 cm. 1 cm wide, perfect for most small animals such as cats, dogs, kittens, puppies, and chihuahuas. 4. 4. Separate Cat Collar: The collar has a safety buckle and bell design. The bell is removable with a safety buckle that can be easily released with a firm pull, making it safer for pets. 5. 5. Reflective Nylon Collar: The reflective nylon claw pattern is cuter than normal reflective strips. This allows your pet to be clearly visible in dark environments to avoid accidents. Specification: Material: Nylon, SiliconeWeight: 15gColor: blue, black, purple Package List: 2*Cat Collars (Device not included) Note: Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.