[Safe and Secure]This AirTag dog collar has a uniquely designed built-in silicone AirTag case which ensures a secure fit and is compatible with the Apple AirTags 2021. [Comfortable fit] Made of soft and lightweight polyester material, makes your dog feel relaxed and comfortable when wearing. [Easy to use]The Apple tracker tag slides onto a high-quality pet collar. Its easy to insert your device. The quick-release buckle and D-ring hardware make it easy and quick to go. [Track in style]This pet collar features bohemian, floral, tribal, and geometric patterns. They will make your dog look fashionable and stylish while travelling and walking. [Size Chart]S: Width 0.6'' , Neck size 9.8-15.7'' ; M: Width 0.75'' , Neck size 12.9-21.6'' ; L: Width 1'' , Neck size 14.9-24.8'' . Note: Please measure the width of your pets neck before purchasing.