About this item Ergonomic Design: it’s integral and it will cover 90% of the area in the steering wheel. With better fit and grip, the hand feels soft and comfortable. Suitable for middle-size steering wheels with diameters 14 1/2 inch to 15 inches (37cm to 39cm). Can be used in all seasons Top Quality: Made of high-quality suede. The red mark helps you to confirm the position of the steering wheel. This stylish sports steering wheel cover brings you excellent tactile and visual effects and increases friction to prevent the steering wheel from slipping! 10s INSTALLATION: easy to put and remove. Easy to clean/wipe on a frequent basis. Different from traditional ones, women and men can easily install these new style steering wheel covers in 10s without any tools or glue.