Buyers Products Heavy Anti-Spray Rubber Mud Flaps have special 1/4 in. broad based knobs to repel spray. They resist cutting and tearing from road debris for long lasting road life. The durable splash guards withstand subfreezing temperatures while resisting snow and ice buildup, making them ideal for all-season use. They’re made in the USA at Boomerang Rubber Company from 100% recycled rubber.