Come and see our amazing products. The both sides firm heavy metal strengthens stably, maintains the weights & measures. Both sides elastic soft gum, prevents the instep to fall & damage. The rotating pen is made of anti-skid, wear-resistant and pressure-resistant materials, which is durable and easy to grip. In order to get nice balance performance, we have designed metal pen heads on both sides of the pen to make it easy for you to turn. 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. Pls confirm with us about the packing info, stock color and exact production time before placing your order.