? Each Animated Panda Themed Ball Pen measures 6" tall and 1.25" wide and 0.25" in barrel diameter approximately. ? Click-action pen features a colored barrel and animated themed 'thrust device' spring top. Ink color is black. The pen housing is made of plastic. ? If you love pandas, this writing pen will not disappoint! The barrel is green in color theme and is decorated with many pandas. But the real action is found at the top where two pandas are cuddling with each other on a swing! When the ink is out, replace it with any standard ink refill! ? This listing is for a pack of 24 pens and a matching pen holder/stand base as pictured.