Panda Cache Buddy Tag Trackable Panda Cache Buddy Tag £4.85 Currently out of stock. This fun trackable known as Cache Buddy will be a delight to find in any cache! They 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 fun travelers also come with a chain so that it may be attached to another item. The Cache Buddy measures just under 2".