Made of high-quality materials, more durable As part of normal maintenance, it can be easily removed and replaced Our wheel modules are crafted from high-strength and environmentally friendly materials, ensuring optimal performance and promoting a healthier lifestyle Please check the image on this page before installing the Roomba wheel module, so that your robot can work efficiently, saving time and effort Color: As shown Material: Plastic Position: Left + Right Package Contents: 2 x Drive Wheel Only the above package content is included; other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm