BDK Premium Automotive Accessories Heavy Duty Truck Steering Wheel Covers (Standard Mother Trucker 18", Birch Wood) Premium Rubber PU Breathable Leather Material (Maximum comfort) Durable Classic Grip and Strategic Grip Position. Fits most 18" diameter steering wheel. Non-Fading Wood Grain Style Rubberized Inner ring for durability and non-slip performance Covers more steering wheel hence protect from extreme heat and cold