Constructed from lightweight, polypropylene material that won't rust or chip and is easy to clean Solid molded platform features a ridged non-slip surface that is ideal for moving narrow items or supporting furniture legs Includes two 3" swivel castors and two 3" rigid castors to allow easy movement in different directions Built-in carry on handle for easy positioning and makes it easy to move dolly where you need it Platform size is 19-1/2" x 14-1/2". Ideal for home, workshop, garage, office and more