They are made of anti-skid and durable materials , non-slip, wear-resistant and pressure-resistant. xquisite design and easy to hold: Weighted pens at both ends and drop-resistant caps, which delicate and comfortable to hold. Playing with the rotary pens can enhance the flexibility of the hands, relieve stress and add fun to study and office. eplacement and use needs: You can choose some according to your preference and share the other rolling pens with your relatives, colleagues, classmates and friends. 1PC * Spinning Pen
They are made of anti-skid and durable materials , non-slip, wear-resistant and pressure-resistant. xquisite design and easy to hold: Weighted pens at both ends and drop-resistant caps, which delicate and comfortable to hold. Playing with the rotary pens can enhance the flexibility of the hands, relieve stress and add fun to study and office. eplacement and use needs: You can choose some according to your preference and share the other rolling pens with your relatives, colleagues, classmates and friends. 1PC * Spinning Pen