Features: The product is made of high quality foam, soft and comfortable, cushioning and protecting. Built-in special alloy, can be twisted at will, can be reset after use, easy to use. Environmental for protection material built-in special soft alloy moderate hardness, no damage to the steering wheel. Give the steering wheel a better fit. Contrast with suction ring, the elastic rod is tightly wound and can be used in a variety of models. Length adjustment does not affect the use of steering wheel cover. Warning:This product is not a safety device and improper use of this product may cause injury or accident. Drivers should pay attention to driving safety after using devices with automatic driving function enabled. Specifications: Material: High Quality Foam Cotton + Metal Length:Approx.43cm/16.93in Type: 260g, 320g, 400g, 460g(optional) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Steering Wheel Assist Ring