Includes 4 AirTags and 6 Waterproof Cases in a variety of colors

AirTags:

Keep track of and find your items alongside friends and devices in the Find My app
Simple one-tap setup instantly connects AirTag with your iPhone or iPad
Play a sound on the built-in speaker to help find your things, or just ask Siri for help
Precision Finding with Ultra Wideband technology leads you right to your nearby AirTag (on select iPhone models)
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 year
AirTag is IP67 water and dust resistant
Cases:

Can be immersed in water depths below 3 m for more than 30 minutes without water entering. The waterproof level is IPX8, which is very suitable for daily waterproofing, rainproof
Air Tag Holder comes with a keychain. You can easily attach the Airtag keychain to any item such as car keys, dog collars, child's backpacks, luggage or other valuables. No longer worry about lost items
The Airtag holder has a 360° full wrap design to better protect your AirTag from scratches and can withstand drops of up 5 feet