Steering wheel cover Waves for steering wheels / /μ/ε/σ/α/ί/α/ς/ / in diameter (38cm). It is a simple application, which means it is ready to be applied to the steering wheel without any additional actions. It is made of leather, a material that is extremely smooth, with a soft texture and resistance to stains. Leather provides a "natural" feel to the hand while driving. At the same time, it protects against wear and enhances the interior appearance of the car.