These lightweight but sturdy keychains are made from aluminum. It is hand stamped with “I love you” and a tiny heart stamp. The edges are hammered for sparkle. There is a small silver tone heart charm. You have your choice of shapes. The circle is 1” (size of a quarter), the dog tag is 1 1/4”x3/4” and the rectangle is approximately 1 1/2”1/2”. Each one is hand stamped and made to order so slight variations in stamping will occur.