The product is a set of Peterbilt Trucks 24" x 36" Black & Red Proflex Rubber Semi Truck Mud Flaps. These mud flaps are made of rubber, featuring a black color with a textured finish. They are designed for direct replacement on the rear, left, and right sides of the vehicle, with a bolt-on attachment type for easy installation. The mud flaps are washable, and weigh around 11 lb each.