Usage Tips:and high quality. Made of high-quality materials, more durable. Exquisite and delicate, highly match with the equipment. As part of normal maintenance, it can be easily removed and replaced. It is a pretty replacement for your old, broken, non-working Traveling Wheel Material: plastic colour: black+white Package Contents: 1 x Left Wheels 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.