These fun tags are fully trackable at Geocaching.com, each with a unique tracking number so you can follow their travels. Made of aluminum, just like travel bugs, these travelers also come with a chain so that it may be attached to another item.
For more information on trackables, please visit the trackable items website at Geocaching.com.
Specifications:
2 inches tall by 1 inch wide
Trackable
Shipping weight - 0.5 oz