Product Description Material: ABS+silicone Size: 50mm in diameter Applicable models: all models Colour: Black Quantity: 1 pcs Package content: 1 pcs * steering wheel booster 1.STREAMLINE DESIGN:steering wheel spinner is made of premium quality plastic ABS and silicone, anti-skid and sturdy after installed, and wont scratch the steering wheel. 2.USEFULL AND HELPFUL: steering wheel knob makes driving more flexible and comfortable especially on a curve or U-turn road or when parking. The booster power handle ball is suggested for new drivers or people struggling with arthritis, muscle problems, carpel tunnel syndrome, low muscle tone. 3.EASY TO INSTALL: knob for steering wheel can be installed or removed in seconds. The installation process is super quick and requires no tools. Simply find a suitable area to place the inner, set the outer to it, fix the strap or ABS and you're ready to go. 4.MORE SAFETY AND STURDY: Premium quality ABS and Silicone material were combined to make this product. These materials are uniquely sturdy and possess high durability, fit for prolonged use. 5.UNIVERSAL FIT: steering knob can be used for all vehicles. It is compatible with sedans, mini coopers, saloon cars, trucks, SUVs and mini vans.