Adjustable Size and Loading Capacity: It is a telescopic base that can adjust vertically and horizontally according to the width of the appliance. Length/width: 45.5cm-70cm. Height: 11cm. The Maximum Load: 330 pounds. Enhanced Stability: Our adjustable appliance base trolley 24 rubber swivel wheels. Stay firm and also is easy to move with swivel wheels, which is convenient for cleaning and reworking. Safety design: Button-type lock. 4 pieces of anti-skid pads. Anti-vibration mute. Suitable for dryer, washing machine, refrigerator, air conditioner, heavy equipment, large plant pots and so on. Peace of mind service: one year warranty. If you encounter any problems, please feel free to contact me. I will do my best to provide you with the best quality service. Thank you very much.