* This Keychain is an officially licensed product of the United States Olympic Committee for the Beijing 2008 Olympic Games. It is made with advanced die-casting technology, which created a delicate relief and exquisite appearance. This serves as an excellent Olympic memento for your family and friends. * This Keychain is copper nickel inside and gold or silver-plated on the outside. The diameter is 35 millimeters. The reverse side features the official emblem of the United States Olympic Committee, surrounded by stars. The front side of the medal features one of two images: a smiling and adorable "Panda Sam" wearing a starred top-hat and bow tie; or a fierce and detailed depiction of an animal commonly associated with China - The Dragon. * Support Your Home Team - Your purchase of these beautiful Olympic medals directly supports the United States Olympic Team, as a portion of the proceeds from every medal sold goes to support current and future Olympians.