Features: They have wear resistant and heavy duty qualities, making them very suitable for outdoor environments. This shed ramps fits neatly in front of most doors without taking up excess space in entry or garages. Specifications: Material: aluminum Color: sliver Size: 1 x 35.5 x 5.3 inch/25 x 900 x 135 mm Thickness: about 0.1 inch/ 2.4 mm Package includes: 1 x Aluminum Threshold Ramp Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays