This ballpoint pen is made of ABS plastic, it is about 5.4'' in length and 5.8 grams weight. It is designed in cute style, colorful and portable, also suitable to make sests with books on sale. When you want to use it, just press the top button, and press the side one for reset. Up-side-up-side, it can also help relief anxiety or when you are boring. Logo can be printed on the barrel but better not wider than 0.15'' because it is so slim. Various colors for alternative as pictures show.