These butterflies are known for their incredible migratory journey. Each year, they travel up to 3,000 miles from Canada and the United States to central Mexico. This migration is remarkable because the journey spans several generations, with no single butterfly completing the entire round trip. DETAILS Small and dainty charms which are about 1" wide Gold and Silver Plated Metal Charms Sterling Silver or Gold-Filled Earwires Each Earring Pair comes packaged on its own Meaning Card and sleeved.