The product is a set of two heavy-duty 24" x 30" x 3/8" rubber rear mud flaps specifically designed for Kenworth trucks. They come with a 30-day warranty and are manufactured by PAC with the manufacturer part number PAC24X30R12BKW. These mud flaps are designed for commercial trucks and are considered an essential exterior accessory to protect the truck from mud and debris while on the road. With the high-quality rubber material and precise sizing, these mud flaps are reliable and durable for heavy-duty use in various driving conditions.