Special thank you coin gift for veterans. Challenge coins are size in 1.77*0.12inch,made of zinc alloy antique silver plated,packaged by a plastic case,not easy to rust and portable. The coins are engraved with the back and front of the veterans,representing their bravery and dedication. It's a perfect gift choice for retirement,birthday,Awards Day,Veterans Day,Memorial Day,Father's Day or Thanksgiving and Christmas. I AM A VETERAN MY OATH NEVER EXPIRES I SERVED I SACRIFICED I REGRET NOTHING I MAY BE OLDER MOVE SLOWER BUT MY SKILLS STILL REMAIN.