Bestbuy offers Apple - AirTag (4-Pack) - Silver for $64.49 (orig. $99) with free shipping.

Product Description:
AirTag. Keep track of your keys, wallet, luggage, backpack, and more, all in the Find My app. Play a sound on the built-in speaker, or say "Hey Siri, find my gym bag." With select iPhone models, Precision Finding can lead you right to your nearby AirTag.1 If it's further away, hundreds of millions of Apple devices in the Find My network can help track it down. All anonymously and encrypted for privacy.

• Precision Finding with Ultra Wideband technology leads you right to your nearby AirTag (on select iPhone models)¹
• Find items further away with the help of hundreds of millions of Apple devices in the Find My network
• Put AirTag into Lost Mode to be automatically notified when it's detected in the Find My network
• All communication with the Find My network is anonymous and encrypted for privacy
• Location data and history are never stored on AirTag
• Replaceable battery lasts over a year²
• AirTag is IP67 water and dust resistant³
• Make AirTag yours with a range of colorful accessories