Belkin Secure Holder with Key Ring for AirTag 4-Pack BlackSecure Holder with Key Ring for AirTag 4 Pack. Fast Charging for Your iPhone. Secure Up to 4 AirTag Devices. Our 4 pack bundle comes with four secure holders with key ring to hold and secure up to 4 AirTag devices Lose Something? Not Anymore. The durable key ring allows you to easily and securely attach a AirTag to your keys, pet, and other belongings. Secure Holder is also available with a strap attachment for your luggage, purse, backpack, and more.