High-quality materials: The rotating pen holder is made of ABS material, the nib is fitted with soft rubber, and there is an aluminum alloy dynamic balance support ring in the middle of the pen; light, strong, and practical, giving you a good experience. : The rotating pen comes in 2 different colors, namely black and silver; the low-key classic color makes these pens very attractive and suitable for people of different ages, making them feel confident and flexible in the process of rotating the pen. Easy to use: The aluminum alloy dynamic balance support ring in the middle of the pen rotation mode can help you master the balance, and the two ends are equipped with stainless steel balls to enhance stability and easier to turn the pen. Useful games: When practicing pen rotation, you can enhance the flexibility and coordination of your fingers, and at the same time exercise your brain power, improve concentration, memory and learning ability; in addition, pen games can also help you relieve work and life pressure. Gift selection: Whether it is the elderly, children or adults, this game finger pen rotating pen is a fun and caring gift, allowing them to fully feel the joy of finger movement. Colour: black Material: ABS+alloy Package Contents: 2 * pens Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.