Features: You will receive 1 LED rotary pens, which are ingeniously designed, comfortable to hold, easy to operate and use, the quantity of battery is enough to facilitate your use and replacement. The rotating pen is made of anti-skid, wear-resistant and pressure-resistant materials, which is durable and easy to grip. The 2 ends of the rotating pen are weighted to achieve the golden balance point, to improve the flexibility of use; Designed with drop-resistant pen caps to increase durability. Rotary pen can exercise the flexibility of fingers, and help you get rid of the pressure of work and life. In addition, color gradient replacement can bring you a happier mood and add more fun to life. Specifications: Color:White,Black Material: PC/Silicone Length:Approx.21.3cm/8.38in Quantity:1pc Package Includes: 1x Luminous Pen-A/-B/-C note: Please allow a little error on the size due to manual measurement. The color might exist slightly difference due to different displays.