For your consideration is this pair of Civil War era shooting glasses. These glasses feature blue glass lenses on a brass frame with petite thin temples. The blue glasses help shield the sun to lighten when shooting with the sun in your face. The measurements of these glasses are 2 1/2" x 4 1/2" folded and unfolded 2 1/2" x 4 1/2" x 4 1/2".