Are you ready to compete for Team Geocaching? Signal the Frog® has been watching lots of sports lately and is now inspired to go for the geocaching gold! Collect all four or just your favorites and send them out to compete all over the world, one geocache at a time! The Signal the Frog® Summer Sports Travel Tags are trackable at Geocaching.com. These trackable tags are aluminum with an epoxy finish. A chain for hitchhiking is included.Dimensions: Approximately 5cm x 2,5cm at widest points.