This multi-functional ballpoint pen can be called not only one pen but also a practical tool. Its barrel is made of ABS plastic, on the top, it can be used as a light, and on the other side, it is a lifehammer. After twisting off the lid, it is a ballpoint pen now. It is about 5.1'' in length and 20.42 grams weight. Logo can be printed beside the light button on the lid.