Constructed from permanent polystyrene substance, wheel proposals excellent wear resistance and longevity, ideal for frequent daily use in household conditions Record player tool complimentary installation creates maintenance easy, saving time and effort to keep your robot vacuum in optimal condition Developed for seamless agreement, this black global wheel addition accommodates perfectly， ensuring efficient cleansing execution Constructed with a noise reducing structure, this addition operates quietly, creating a peaceful house environment excellent for households with infants otherwise those needing calm The comprehensive turn plan furnishes smooth and flexible motion, allowing the robot vacuum to steer around furniture and tight bends