Package content: You will receive 4 revolving pens, sufficient for various usage and replacement needs. Reliable material: The rotating pen features a symmetrical design, with a TPR soft rubber tip, ABS plastic barrel, and an aluminum alloy dynamic balance support ring, ensuring durability and long-term use. More stable: This rotating pen measures approximately 21.5 cm (8.46 inches) in length; stainless steel beads are embedded at both ends to provide balanced weight distribution, allowing smooth pen spinning. Decompression toy: Suitable for both children and adults, this pen can be used to train hand-eye coordination and focus, helping to improve concentration and relieve daily stress. Ideal gift choice: These spinning pens make great gifts for friends, family, colleagues, or classmates on occasions such as Thanksgiving, Christmas, New Year, or birthdays. Color: As shown (Red, Blue, Black, Silver) Material: ABS + Aluminum Alloy + TPR Package Contents: 4 x Spinning Pens (1 of each color) Note: This product does not include refills. Adding a refill may disrupt the pen's balance during spinning. It is recommended not to insert refills. The package includes only the items listed above; other accessories are not included. Note: Lighting effects and display settings may cause slight variations in color between the image and the actual item. Measurement may vary by 13 cm.