ADJUSTABLE SIZE: The appliance cart is extendable from 44.5cm to 71cm to accommodate different sizes of furniture. There is a button at the bottom of this washing machine rack so you can adjust the length to hold items as needed. Durable and Sturdy: The furniture cart has a thick, powder-coated steel frame that is extremely durable. Device carts can hold up to 300 kg. It is suitable for heavy furniture and appliances such as washing machines, dryers, refrigerators, sofas, cupboards, etc. Upgraded Roller: Each set of washing machine stand is equipped with 24 wheels, increasing the contact area between the wheels and the floor. Makes you more effort and smoother when moving things. Brake Bases: The moving roller comes with a non-slip mat to make the furniture more stable when moving. One end of the roller has a locking brake which improves the stability and safety of the machine base when not in use. Daily Use: This mobile washing machine base is 4cm high, which can keep the bottom of furniture dry and ventilated to prevent corrosion, extending the life of your furniture. Also easy to move, making daily cleaning convenient and efficient.