Material:Plastic + Metal Size:45X5X4cm Suitable Features: 1.It has different functions for padding the machines, cushioning and preventing from skid. 2.Upgraded version 24 wheels,has more contact surfaces to ensure the stability of the washing machine. 3.Adjustable base, the length can be adjusted freely to suit the size of different washing machines.Can be used to move refrigerators, freezers, washers, and dryers.It is convenient to clean the floor when doing housework. 4.There is a non-slip pad on the bottom, stable and non-slip, will not slide on the floor. 5.Brake device, after confirming the position of the washing machine, lightly step on the brake, the bracket can be fixedapply to Fridge, Washing Machine, Dryer, etc.