1. To achieve better balance performance, both ends of this pen spinner are equipped with stainless - steel materials to enhance stability. Therefore, you can spin it easily. 2. By playing with this finger pen spinner, you can exercise your hand - eye coordination ability, relax yourself from busy work or study, and add more fun to campus and office life. 3. It is made of high - quality plastic and metal materials. 4. The length of this product is 23 centimeters. 5. This product is very suitable for students, children and other groups. Product Details - **Product Name**: Pen Spinner - **Materials**: Plastic, Metal, Silicone - **Features**: Stress - relieving, Wear - resistant, Durable - **Size Details**: Length: 23 cm / Approx. 9.06 inches Precautions - Due to differences in light and screen settings, the color of the product may vary slightly from the picture. - Due to different manual measurement methods, slight size differences are allowed. Package Contents - 1 pen spinner