Aulyn Breathable Leather Anti-slip Car Steering Wheel Cover No Fixed Inner Race 38cm Diameter (Beige) Without inner race , the thickness of the steering wheel does not increase too much, will not affect driving experience Good air permeability Surface of ventilation holes, feel more fitting, feel comfortable Off constantly, invariance of high-strength elastic band 38cm Diameter,This is more than 90% of the cars use standard diameter