If you are looking for sweeping robot universal wheel with reliable quality, I will tell you that our universal wheel will be your . We adopt ABS material, can keep it for a long time. You can use it as sweeping robot replacement accessory. Features - Color: As shown - Material: ABS - Size: 5.00X4.50X4.50cm/1.97X1.77X1.77in - Can protect your floors from scratching and getting marks on the surface. Can be used as the replacement accessory for sweeping robot and sweeping machine. - It is wear-resistant and , does not produce of noise, and can be used with confidence. - The product has simple design, easy to install and remove, which is practical for use. - workmanship and ABS materials ensure a and perfect details. - The product will be a good helper, bringing you convenient life. Package list: 1 x wheel