Bullet Points: 1Sturdy Material: The steering wheel spinner knob is made of silicone and ABS, which are sturdy, non-slip, wear-resistant, comfortable and possess high durability, fit for prolonged use. 2Easy to Install: The car steering wheel spinner is easy to install. It has a snap-separated design that is easy to embed and disassemble. No tools are required. 3Metal Bearing: The steering wheel knob for truck has a built-in metal bearing, which can rotate 360 degrees smoothly, making it easier and more effortless to assist the steering wheel. 4Practical Function: The rotatable steering wheel knob spinner reduces the turning radius and assists novice drivers while reversing, turning, U-turn, sharp turn, etc. 5Multiple Uses: The driving knob for steering wheel is compatible with most cars and vehicles such as sedans, hatchbacks, trucks, SUVs and more, enhancing the driving comfort. Features: 1. Made of silicone and ABS, sturdy, non-slip, wear-resistant, comfortable and durable. 2. Easy to install. 3. Built-in metal bearing, which can rotate 360 degrees smoothly. 4. Assisting novice drivers while reversing, turning, U-turn, sharp turn, etc. 5. Compatible with most cars and vehicles such as sedans, hatchbacks, trucks, SUVs and more. Specification: product packaging: color box Package size: about 8.8*5.5*6.2cm/3.46*2.17*2.44in Product Weight: about 65G Product color: black/blue Product size: about 8.5*5.5cm/3.35*2.17in Material: Silicone and ABS Packing List: Steering Wheel Spinner Knob*1